例句:In case of difficulty, just call on me.
如有困难，找我好了。

2.to a tee 恰好的

例句:We have all witnessed the power of social media.
我们见证了社交媒体的实力。

3.pick out 挑选

例句:If the irrigation plan goes ahead, it could spell disaster for the birds.
如果灌溉计划开始实施，它可能会给鸟类带来灾难。

4.for sale 出售；待售

例句:Her sense of triumph was short-lived.
她只感受了片刻成功的喜悦。