high and low
01
到处, 上上下下
all around or in many places
例子
She searched high and low for her missing keys, but could n't find them anywhere.
她到处寻找丢失的钥匙，但哪里也找不到。
The team looked high and low for a solution to the technical problem.
团队到处寻找技术问题的解决方案。
