school of hard knocks

名词 n.
中文释义

英文释义

名词 n.
  1. The source of an education consisting of real-world experiences, especially adverse experiences. US,countable,idiomatic
    — Trained, however, in the school of hard knocks, he now had learned the theory of success, and from that time on has had it.

词形变化

schools of hard knocks plural
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