fall behind
fall behindphrasal verb
UK/ˌfɔːl bɪˈhaɪnd/US/ˌfɔːl bɪˈhaɪnd/
Dạng từ: falls behind · fell behind · fallen behind · falling behind
B2to fail to do something as fast as other people or by the time you should
- He was ill for a month and fell behind with his schoolwork.
- We've fallen behind with the rent.