接茬

接茬	jiē chá	(coll.) to respond; to offer a comment; to jump into the conversation
接	jiē	to receive / to answer (the phone) / to meet or welcome sb / to connect / to catch / to join / to extend / to take one's turn on duty / to take over for sb
茬	chá	stubble (crop residue) / stubble (hair growth) / classifier for a batch of sth produced during a particular cycle: a crop / sth just said or mentioned