let sb down是什么意思

let sb down是什么意思

let sb down
让某人失望
let down[英][let daun][美][lɛt daʊn]
放下; 放低; 使失望; 失信;

例句:
1.
It was a huge let down.
这是一个巨大的失望。

2.
We think the weak bladder was a trick to get us to let down our guard.
我们认为所谓虚弱的膀胱是一个圈套，其实是让我们放松警惕。