zhǎo​chá

to find fault

找茬 zhǎo//chá
to find fault verb + noun
to nitpick or intentionally find fault with someone to start a fight or pick a quarrel

She is always finding fault with her neighbors.

to spot the difference
to find and point out the differences between two images or objects, often in the context of a game or puzzle

Frequency

Movie subtitles
1.58 per million appears in 1% of films

Sources

Frequency data
SUBTLEX-CH