put sb. on his mettle 是什么意思,put sb. on his mettle 的翻译,解释,句子,音标,读音 - 英汉在线翻译

put sb. on his mettle

put sb. on his mettle 的中文翻译

v.

激励某人

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gross national product
armature binder
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hinge characteristic
disintermediation
official sample
wailer
phenate