n.: at a [one] sitting, justification, face, etc., without stop, without a break, in one breath, one breath, at one whack, at a whack, breath, in one go, at one go, at one draft, at a draft, at one burst, at a burst, at a breath, at one blast
法文解釋
adv. tout d'une haleine, d'un (seul) coup, d'une traite, d'un trait