follow something up

Từ điển Oxford Advanced Learner 8th

ˌfollow sthˈup derived
1. to add to sth that you have just done by doing sth else
• You should follow up your phone call with an email or a letter.
2. to find out more about sth that sb has told you or suggested to you
Syn: ↑investigate
• The police are following up several leads after their TV appeal for information.
related noun ↑follow-up
Main entry: ↑follow_derived