唉声叹气 [- shēnɡ tàn qì]heave great [deep] sighs; moan and groan; sigh and moan; heave a sigh (of frustration); deep of sorrow; sigh in despair; sigh and groan:
•¶ 你为什么唉声叹气？ What are you sighing about?
•¶ 晚上， 他们反复合计，唉声叹气， 几乎没睡。 Sighing and groaning as they discussed ways and means, they hardly slept all the night.