Unit 2 Body Language
Teaching Purposes:
(1) Get the students acquainted with body languages, such as the way a person drives, the clothes a person wears, the ornaments a person uses and the colors people prefer.
(2) Give students more examples and help them realize that communication can be achieved with the body and behavioral signals.
(3) Assist students in comprehending the function of the Barrier Signal—the Body Cross, and the ways that males and females use it in relieving their nervousness.
Study and learn the following expressions:
peep 1 v [I, Ipr, Ip]
~ (at sth) look quickly and slyly or cautiously (at sth) 匆匆地（且诡秘地或小心地）看（某物）; 偷看; 窥视: peep at a secret document 偷看秘密文件 * be caught peeping through the keyhole 贴近锁眼窥视被当场抓住. Cf 参看 peek, peer2.
(of light) appear through a narrow opening （指光）通过细孔透入: daylight peeping through the curtains 穿过窗帘的阳光.
appear slowly or partly 慢慢露出; 部分出现: The moon peeped out from behind the clouds. 月亮从云层中隐现. * green shoots peeping up through the soil 慢慢破土而出的绿芽.
peep n
1 (esp sing 尤作单数) short quick look, esp a secret or sly one 一瞥（尤指秘密的或诡秘的）; 偷看; 窥视: have a peep through the window 隔着窗户偷看 * take a peep at the baby asleep in her cot 悄悄地看看小床里熟睡的孩子.
2 (idm tickle习语) peep of `day first light of day; dawn 晨曦; 破晓.
detect  v [Tn] (a) discover or recognize that (sth) is present 发现﹑ 察觉或查出（某事物）:
The dentist could detect no decay in her teeth. 牙医检查了她的牙, 未见有龋齿. * instruments that can detect minute amounts of radiation 能检测极微量辐射的仪器 * Do I detect a note of irony in your voice? 听起来你是在说反话吧? (b) investigate and solve (crime, etc) 侦察, 侦查（罪案等）: This police officer's job is to detect fraud. 这位警官负责侦查欺诈案.
detector n device for detecting changes in pressure or temperature, metals, explosives, etc 探测器.
giggle v [I, Ipr] ~ (at sb/sth) laugh lightly in a nervous or silly way 咯咯笑; 傻笑: Stop giggling, children; this is a serious matter. 孩子们, 别傻笑了, 这是严肃的事情. * giggling at one of her silly jokes 让她那拙劣的笑话逗得咯咯笑.
> giggle n
[C] laugh of this kind 咯咯笑; 傻笑: There was a giggle from the back of the class. 从教室後面传来咯咯的笑声.
[sing] (thing which provides) amusement 娱乐; 提供娱乐的事物: What a giggle! 多有意思的玩意儿! * Today's lesson was a bit of a giggle. 今天的课真有趣. * I only did it for a giggle. 我做那事只是为了取乐.
the giggles [pl] continuous uncontrolled laughter of this kind (esp by young girls) 持续的, 放纵的笑（尤指女孩）: get the giggles 发出咯咯笑声 * She had a fit of the giggles. 她咯咯地笑了一阵.
giggly / ˈgɪglɪ; ˋɡɪɡlɪ/ adj (often derog 常作贬义)
1 inclined to giggle 爱傻笑的: a giggly schoolgirl 爱傻笑的女学生.
2 having the sound or quality of giggling 咯咯笑的; 傻笑的: giggly laughter 咯咯的笑声.
NOTE ON USAGE 用法: 1 Snigger (US snicker) indicates childish and disrespectful laughing at somethingregarded as unusual or improper *snigger（美式英语作snicker?指对异常的或不当的事发出幼稚的﹑ 不尊重的笑声: What are you sniggering at? Haven't you seen people kissing before? 你们笑什麽? 没见过接吻吗? 2 Giggle is also childish. *giggle也指发出幼稚的笑声. It is often uncontrolled (a fit of giggling/(the) giggles) and is either in response to something silly or a nervous reaction 这一词常指失去控制的笑（a fit of giggling / (the) giggles The children couldn't stop giggling at the teacher's high-pitched voice. She giggled nervously when the judges congratulated her on her costume
LAUGH 
1 to laugh because something is funny or because you are enjoying yourself
laugh[v I]
I splashed water on Jane who laughed and tried to splash me back | "Look at the clowns", said Chuck, laughing | laugh at I couldn't help laughing at Andrew's silly jokes | laugh about She always manages to laugh about things other people take perfectly seriously.
laugh The door slammed and Josie heard a quiet
have a laugh
an expression used especially in British English, meaning to laugh about something funny, in a cheerful way, with other people [v phrase]
I like to meet my friends, spend the evening in town, and have a laugh | have a laugh at/about When my Mum gets together with her friends they always have a laugh about their schooldays | have a good laugh It was a bit scary at the time, but afterwards we all had a good laugh
Chuckle to laugh quietly, especially because you are thinking about something that you think is funny [v I]
chuckle at/about What is she chuckling about?1 don't see anything funny | chuckle to yourself Dan sat in the corner and chuckled to himself Quietly | chuckle Ned read the review eagerly, chuckling with delight
chuckle [n С]
"Bye, see you when I get back!" said Maisie with a chuckle
2 the act of laughing or the sound of people laughing
Laughter [n U]
We heard laughter coming from the next room | There was always a lot of joking and laughter in our office | Cheers, applause, and laughter had followed his performance | burst of laughter (=a sudden loud sound of laughter) A sudden burst of laughter in the hall made me run downstairs quickly to see who was there
3 to begin to laugh
start laughing [v phrase]
She looked at me and started laughing | Every time they tried to film the romantic scene, the actors would start laughing
burst out laughing
to suddenly begin to laugh loudly [v phrase]
When I saw his hat I burst out laughing | Everyone thought about the joke for a couple of seconds, then burst out laughing
dissolve into laughter
to start to laugh and not be able to stop, when you have been trying not to laugh [v phrase]
Several of the students at the back of the room had dissolved into laughter | dissolve into fits of laughter (=start laughing uncontrollably) When she saw Dennis's ridiculous tie she dissolved into fits of laughter
4 to laugh in an unkind or offensive way
laugh at [v T]
The other kids laughed at Lisa because her clothes were old and too small | Don't laugh at me -I told you I wasn’t very good at Spanish | He was terribly shy and couldn't stand being laughed at | What do you think you're laughing at?

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