他总是提出一些刁钻的问题,试图让讨论陷入混乱。
He keeps raising ___captious questions to confuse the discussion.
他那爱挑剔的性格让同事们都避之不及,连标点符号的错误都要指出来。
His ___captious nature made colleagues avoid him, as he would point out even punctuation mistakes.