名詞 stand in:

1. someone who takes the place of another (as when things get dangerous or difficult)
   同義詞：stand-in, substitute, relief, reliever, backup, backup man, fill-in

動詞 stand in:

1. be a substitute
   同義詞：substitute, sub, fill in

1. People had to stand in a queue for hours to buy a ticket.
   人們買票得排幾小時的隊。
2. Stand in a horseshoe facing me.
   面向我排成半圓形站著。
3. The students all stand in line to get their new books.
   學生們排隊取新書。
4. Don't stand in the way.
   閃開，別擋道。
5. The supervisor is going away for a week and I have to stand in for her.
   主管人打算離開一個星期，因此我得代替她的工作。
6. He said he would stand in for me any time.
   他說他隨時都愿意來代替我。