spare no effort

动词 v.
中文释义

英文释义

动词 v.
  1. To do everything within one's powers to achieve something. idiomatic
    — This reflects credit not only on the railway staffs concerned but on the various signalling firms, which have spared no effort to carry out research work, and test and apply, when feasible, every new idea.

词形变化

spares no effort present,singular,third-person sparing no effort participle,present spared no effort participle,past spared no effort past
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