keep one's head on a swivel

短语

词形变化

keeping one's head on a swivel keeps one's head on a swivel 三单 keeps one's head on a swivel kept one's head on a swivel keeping one's head on a swivel 现在分词 kept one's head on a swivel 过去式 kept one's head on a swivel 过去分词

释义与例句

v.
  1. 1.

    To be on the alert, to be watchful.

    习语 不及物

    Near-synonyms: keep an eye out, keep one's eyes open