spanner in the works

名词 n.
中文释义

英文释义

名词 n.
  1. Something that disrupts smooth operation or functioning. UK,idiomatic
    — The kids' involvement was unfortunately more of a spanner in the works than a helpful contribution toward Daddy's progress on the task, but he gamely pretended to be thankful anyway.

词形变化

spanners in the works plural
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