固定搭配
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of no/little avail 无用，毫无用处break a leg 祝好运，顺利play well 发挥好blow one's own trumpet 自吹自擂，往自己脸上贴金can't hold a candle to: 比不上，不如let one's hair down: 放松心情
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be in the bag 十拿九稳的，稳操胜算的on one's account: 为了某人的缘故on one's behalf: 代表，作为....的代言人fir one's part: 对某人来说in one's interest: 为了某人的利益by chance: 偶然意外的know sb by sight: 仅见过面，面熟by heart: 熟记默记by experience: 凭经验，从经验中
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