fell down 和fell off

来源：学生作业帮编辑：百度作业网作业帮分类：英语作业时间：2024/08/18 08:48:56

fell down 和fell off
2者有何分别?
最好有例子～

fall off:To become less; decrease (变少；降低)
例如：Stock prices have fallen off.The number of staff meetings fell off after a few months.（股票价格下降了.工作人员的会议在几个月后减少了.）
fall down:To fail to meet expectations；lag in performance（失败：未能达到预想；在成就上落后）
例如：That young boy fell down on the job.那小伙子工作未能达到预想目标.

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