| 单词 | 一落千丈 | 
| 释义 | 一落千丈一落千丈[yī luò qiān zhàng]1.■suffer a disastrous decline; a great fall; a precipitate [great; terrific] drop; disastrous drop; drop a thousand “zhang” in one fall; fall off to beat the band; sudden decline; suffer a sudden decline; utter failure | 
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