VERB
挑剔；吹毛求疵；發牢騷
If you say that someone is carping, you mean that they keep criticizing or complaining about someone or something, especially in a way you think is unnecessary or annoying.
例句
He cannot understand why she's constantly carping at him...
他不明白為什么她總是找他的茬兒。
This was the man whom other trainers love to carp about.
這就是老被其他教練挑毛病的那個人。