let down

let downlet down1.■放低, 放下They let him down on a rope.他们帮助他顺绳子滑下来。Please let down the blinds.请把百叶窗放下来。He let himself down slowly by means of a rope.他用一条绳子滑下来。2.■使失望, 失信You can trust Brooks.He'll never let you down.你可以相信布鲁克斯, 他决不会使你失望。He is a bit let down by the low grade he got.这次成绩不好, 他有点气馁。

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let down1.■放下；放低：He let down a bucket into the well to draw water.他把吊桶放进井里打水。2.■(使)松动；放松；放慢；松劲；松懈：Don't let down even if you're nearing the destination.即使快到目的地也不要松劲。3.■放长(衣服等)：She wanted to have her skirt let down several centimetres.她想把裙子放长几厘米。4.■使失望；辜负…的期望：He let his wife down when he failed to obtain promotion.他没有得到提升，令他妻子失望。5.■损坏…的威信；使…丢脸：The manager thought they had let down the firm.经理认为他们给公司丢了脸。6.■(在需要帮助或紧要关头时)背叛；出卖；抛弃：He let me down when I was in deep trouble.当我深陷困境时，他背叛了我。7.■(在着陆前)使飞机下滑；(飞机着陆前)减速下降：The plane let down gently before landing at the airport.飞机在机场着陆以前徐徐下降。8.■放掉…的气：They played a joke on him by letting down the tyres of his bike.他们捉弄他，把他的自行车的轮胎放了气。9.■降低(标准等)