明察

tā men míng chá àn fǎng bǎ zhè ge àn zi zhēn pò le

他们明察暗访，把这个案子侦破了。

They made open and secret investigations to solve this criminal case.

míng chá qiū háo

明察秋毫

be sharp-eyed enough to perceive even the minutest detail

wǒ rèn wéi tā yǐ bù néng míng chá shì lǐ

我认为他已不能明察事理。

I think he’s lost all sense of perspective.