on guard

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. The starting position of a fencing bout.
    — We fall on guard, and after all it is a friend who comes to meet us.
  2. Vigilant, alert.
  3. Transmitting on the aircraft emergency frequency.

词形变化

more on guard comparative most on guard superlative on-guard alternative

词汇关系

反义词
off guard
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