step up
动词 v.
英文释义
动词 v.
-
To increase, augment, or advance, especially by one or more steps.
— Near-synonym: level up
-
To assume or take responsibility.
— Won't anyone step up to the challenge?
词源
Ellipsis of step up to the plate (“take one's turn at bat, take responsibility”).
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数据来源: Wiktionary