释义
〈英，非正式〉极热心的，极热切的；极热情的。
短语搭配
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as keen as mustard
极热心的；极热切的；极热情的
双语例句
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The Americans were gravely disturbed to see him improving links with Pyongyang, striding keen as mustard down the fluorescent pink carpet towards the potbellied little tyrant in his zipped-up uniform.
看到他改善与平壤的关系，满怀热情、大步流星地踏过熠熠生辉的粉红地毯朝着那位大腹便便、身穿笔挺制服的小暴君奔去，美国人很是不安。