āi shēng tàn qì
sighing voice, wailing breath (idiom)
to heave deep sighs; to sigh in despair
唉
āi
interjection or grunt of agreement or recognition (e.g. yes, it's me!)
声
shēng
sound
叹
tàn
variant of 嘆|叹[tan4]
气
qì
gas; air
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