throw a wrench in

短语

词形变化

threw a wrench in throwing a wrench in thrown a wrench in throws a wrench in 三单 throws a wrench in throwing a wrench in 现在分词 threw a wrench in 过去式 thrown a wrench in 过去式 thrown a wrench in 过去分词

释义与例句

v.
  1. 1.

    To introduce a problem, dilemma or obstacle in; to complicate.

    美国 习语

词源

See throw a wrench in the works.

来源：wiktionary