check up on sb
監督;督促
to make sure that sb is doing what they should be doing
My parents are always checking up on me.我父母總是督促我。
check up on sth
查證;核實
to find out if sth is true or correct
I need to check up on a few things before I can decide.我得核實幾件事情才能作決定。
釋義來自《牛津高階英漢雙解詞典》第 9 版