picksbup onsth
—phrasal verbwithpickverbuk/pɪk/us/pɪk/
tocriticizesomeone about something they have said
在…上挑（某人）毛病，指出（某人）在…方面的错误
"Iwanttopickyou up on thepointyou made a fewminutesago aboutpersonalmorality, Archbishop."“大主教，我对您刚才有关个人道德的观点有不同的意见。”
Histeacherpickedhim up on hispronunciation.他的老师指出了他的发音错误。