英语表达：“经理开会时总是针对小王“

The manager always like to pick on Xiao Wang during meetings.

应该是很多次会议 meetings 而不是一次 meeting, 所以用复数

The manager always picks on Xiao Wang at the meeting.
pick on sb针对某人

the manager is always aiming at Xiaowang at the meeting

the manager always aims at Xiaowang at the meeting