下滑；松弛回火

松弛回火，下滑

getting down───下来；吞下；使沮丧

setting down───放下；记下；看做；确定

settling down───定居；安定下来；专心于

beating down───倒伏

cutting down───研磨修整

letting on───泄露；假装

melting down───熔化

putting down───v.着陆；羞辱；放下；写下；付定金；镇压（暴动、叛乱）

sitting down───坐下；扎营

hurts me deeply to see people fail to cultivate! Aren't you letting down the vows you made upon first leaving home?───我见到不修行的人，觉得非常痛心，这岂不是辜负自己当初出家时所发的愿吗？

The writers know that, no matter what story they're telling , they're letting down somebody.───编剧们对这个是心知肚明的, 所以无论故事怎么写, 总会让一部分人失望.

I have a dread of letting down Ray's contributors, who are expecting to see their work in his magazine.───我很害怕自己会让雷的撰稿人们失望，他们都希望看到自己的作品出现在他的杂志上。

He was afraid of letting down his parents, so he studied hard to get into university.───他很害怕让他的父母失望，所以努力学习考上了大学。

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.

This skirt needs letting down, ie lengthening by lowering the hem - line.───这条裙子需要放长.

She let down her umbrella and furled it.

This skirt needs letting down.

He's the sort of man who would let down the tyres on your car just out of/from spite.

He let down a bucket into the well to draw water.

Don't let down even if you're nearing the destination.

The manager thought they had let down the firm.

He trudged home feeling lonely and let down.

She had been let down badly in the past.

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