let down
US /let daʊn/
UK /let daʊn/

短语动词
1.
使失望, 辜负
to disappoint someone by failing to do what they expect or hope
示例:
•
I promised to help him, and I don't want to let him down.
我答应帮他,不想让他失望。
•
She felt completely let down by her friends.
她感到被朋友们彻底辜负了。
在 Lingoland 学习这个单词