| 短语 | let something down | 
| 释义 | let something down 1. lower something slowly or in stages 慢慢放下, 放低: they let down a basket on a chain. 他们用链子把篮子放了下去。 2. make a garment longer by lowering the hem 放出(褶边), 放长(衣服)。 3. Brit. deflate a tyre 〈英〉给车胎放气。 | 
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