sigh/saI; saI/v [I] to take a deep breath and breathe out slowly and loudly because you are annoyed or unhappy 叹气﹔叹息: Phil sighed heavily and shook his head. 菲尔重重地叹了口气﹐摇了摇头。‘I’m so sorry,’ she sighed. “很抱歉。”她叹了口气道。 —sigh n [C]: a deep sigh of relief 深深地舒了一口气