let down
let down基本解释
,使失望；放下；辜负；减速下降,同近
let down相关例句和用法
Don't worry, Xiao, I won't let you down..不要担心，肖，我不会让你失望的。
let down英英释义
使失望，辜负英释中释If you let someone down, you disappoint them, by not doing something that you have said you will do or that they expected you to do
