at daggers drawn

介词短语
英 /æt ˌdæɡəz ˈdɹɔːn/    美 /æt ˌdæɡəɹz ˈdɹɔn/

英文释义

介词短语
  1. In a state of open hostility. UK,idiomatic
    — And upon this point, vvere they at Daggers Dravvn vvith the Emperour.

词源

Probably a reference to people preparing to fight by drawing their daggers from their sheaths. Compare French à couteaux tirés (literally “at daggers drawn”).
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