do one's best

do one's best[du: wʌnz best] 

do one's best 基本解释
尽全力;勉尽力量;尽心竭力;卖;
do one's best 英英释义

verb

1. perform a task as well as possible

    e.g. The cast gives full measure every night

    Synonym: go all out give one's best give full measure

以上为单词解释
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