松一口气 sōngyīkǒuqì to breathe a sigh of relief Origin Definitions Defs Strokes Stroke Words Sentences Sents 松 鬆 sōng verbadjective to loosen to slacken or relax; to untie; to let go; to release一口气 一口氣 yìkǒuqì adverb in one breath at one go; in one stretch; without a break or pause