let down基本解释
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verb
1. fail to meet the hopes or expectations of
e.g. Her boyfriend let her down when he did not propose marriage
Synonym: disappoint
2. move something or somebody to a lower position
e.g. take down the vase from the shelf
Synonym: lowertake downget downbring down
1.
1. 放下,降低;使失望:let alone 不干涉;不碰 | let down 放下;降低;使...失望 | let go 放开;释放;发射
2. 使失望:leave out 省略 | let down 使失望 | let sb. down 让某人失望
3. 放下:let daylight into 明朗 | let down 放下 | let drive at 对准打