托福听力必背重要习语（八）
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off balance - unaware; off guard on the go - working or doing something all the time on pins and needles - nervous; anxious; full of anticipation on purpose - deliberately; intentionally on the blink - not working properly;broken pick up the tab - pay the bill or the cost of something piece of cake - easy play by ear - act spontaneously; without planning pill it off - accomplish pull one’s leg - make fun of somenoe in a playgul way; make somenoe believe something that is not ture quite a few - many |
