solid as a rock

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Extremely thick and heavy, so as to make it impossible to move. not-comparable
    — We're not going to be able to break down this door: it's solid as a rock.
  2. Very reliable and dependable not-comparable
    — Stewart has been solid as a rock ever since becoming the new vice-chairman.
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