en coup de vent

• IPA^(key): /ɑ̃ ku d(ə) vɑ̃/

• Audio:

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en coup de vent

1. (informal, figuratively) briefly, quickly, hurriedly

   passer en coup de vent ― to make a whirlwind stop, to pay a flying visit, to stop by briefly, to drop by quickly

• n'être que de passage (“to just be passing through”)
• ne faire que passer (“to just be passing through”)
• faire acte de présence (“to put in an appearance”)