French

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Etymology

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Compare Italian perdere il filo.

Pronunciation

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  • IPA(key): /pɛʁ.dʁə l(ə) fil/
  • Audio:(file)

Verb

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perdre le fil

  1. (figuratively) to lose the thread
    perdre le fil de ses penséesto lose one's train of thought
    perdre le fil d’une conversationto lose track in a conversation