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
以上就是新航道托福频道为大家整理的托福听力重点替换词集合(7)，希望对大家有帮助，更多资讯、资料请访问新航道托福听力频道 http://www.xhd.cn/toefl/tingli/
