①Smart people and things are pleasantly neat and clean in appearance.（整洁漂亮的; 衣着讲究的）（电影选义）
②A smart place or event is connected with wealthy and fashionable people.（时髦的，高端的=posh）
③Smart bombs and weapons are guided by computers and lasers so that they hit their targets accurately.（有力的, 猛烈的）
④quick（done with force）
①I was dressed in a smartnavy blue suit.
②A smart residential district.
③We set off at a smart pace.
④He was struck with a smart crack on the head.
If you are itching to do something, you are very eager or impatient to do it.
itch for 渴望
①Her fingers itched to pry it open.
②My animator is itching for a new construction project!
“itch”的本义是“（使）发痒”，（When a part of your body itches, you have an unpleasant feeling on your skin that makes you want to scratch.）
有一个俚语“a skeleton in the cupboard/ a skeleton in the closet”，英文解释是“If you say that someone has a skeleton in the closet, or in British English a skeleton in the cupboard, you mean that they are keeping secret a bad or embarrassing fact about themselves.”
On accepting the job, Maya assured her employers that she had no skeletons in the cupboard.
除此之外，还有一个短语是“skeleton crew/staff”表示 (维持运转所需的)最少人员,基干人员:~ staff, crew, etc. the smallest number of people, etc. that you need to do sth
①There will only be a skeleton staff on duty over the holiday.
②We managed to operate a skeleton bus service during the strike.
在拓展一个skeleton 的“熟词生义”----梗概；提纲；提要；轮廓:（the basic outline of a plan, piece of writing, etc. to which more details can be added later）
Examples were used to flesh out the skeleton of the argument.
①A bug is an illness which is caused by small organisms such as bacteria.
②A bug is a tiny hidden microphone which transmits what people are saying.
③If someone bugs a place, they hide tiny microphones in it which transmit what people are saying.
④If someone or something bugs you, they worry or annoy you.
⑤You can say that someone has been bitten by a particular bug when they suddenly become very enthusiastic about something.
①Many bugs are flying around the lamp and bugging me.
②You found bugs in here, didn't you?
③That flu bug has really taken it out of her.
④Joe was bitten by the showbiz bug .
If you are floored by something, you are unable to respond to it because you are so surprised by it.
①He was floored by the announcement.
②He seemedfloored by a string of scandals.