let down
phrasal verblet somebody down
- to fail to help or support somebody as they had hoped or expected
不能帮助，不能支持（某人）；使失望 - I'm afraid she let us down badly.
很遗憾，她让我们大失所望。 - This machine won't let you down.
你尽管放心，这台机器不会出毛病。 - He trudged home feeling lonely and let down.
他步履艰难地往家走，感到孤独而沮丧。
- I'm afraid she let us down badly.
let somebody/something down
- to make somebody/something less successful than they/it should be
（使）略逊一筹，美中不足 - She speaks French very fluently, but her pronunciation lets her down.
她法语讲得很流利，但美中不足的是发音不大好。
- She speaks French very fluently, but her pronunciation lets her down.
let something down
- to let or make something go down
放下；降低；降下 - We let the bucket down by a rope.
我们用绳子把吊桶放下去。
- We let the bucket down by a rope.
- to make a dress, skirt, coat, etc. longer, by reducing the amount of material that is folded over at the bottom
（把连衣裙、裙子、外套等）放长；放出（褶边） - This skirt needs letting down.
这条裙子需要放长.
- This skirt needs letting down.
- (British English) to allow the air to escape from something deliberately
（故意地）放气 - Some kids had let my tyres down.
几个小孩子故意把我的轮胎放了气。
- Some kids had let my tyres down.