wait up
US /weɪt ʌp/
UK /weɪt ʌp/

短语动词
1.
2.
熬夜等待, 不睡等待
to stay awake, especially late at night, waiting for someone or something
示例:
•
I had to wait up for my brother to come home.
我不得不熬夜等我弟弟回家。
•
Don't wait up for me, I might be late.
别等我了,我可能会迟到。
在 Lingoland 学习这个单词