The two police officers were sent to watch for the suspect near his place.
混淆短语：watch one's time：等待时机
All we can do at the moment is collect as much information as we can and watch our time.
The man waved the woman's complaints aside because there was nothing he could do to help.
替换短语：turn one's back upon：置之不理
The man turned his back upon the woman's complaints because there was nothing he could do to help.
3.wax and wane：盈亏，盛衰
After 100 years' wax
, the poweful empire in the past is now a small country.
He will not buy new shoes until the old ones are completely worn out.
5.win by a neck：险胜，略胜一筹
All the contestants were very exceptional. She is lucky that she won by a neck.
混淆短语：neck and neck：不分上下，并驾齐驱
It was a neck and neck game. We didn't know who would cross to the finish line until the last minute.
The manager winked at her as a sigh for her to keep silence.
The candidate has successfully won over many undecided voters by his political views.
混淆短语：win the day：得胜
It is a fact that useful products that give good value can often win the day.
It will take the victims of the war many years to wipe away the terrible memories from theri head.
No sooner had they started to attack than their enemy was all wiped out.