動詞
抖大氣，呼出一啖長氣或者發出「嚡」嘅聲，去抒發自己嘅悲傷情緒 to sigh
唔好淨係嘆氣啦，有唔開心要同人傾下㗎。
唔好净系叹气啦，有唔开心要同人倾下㗎。
m4 hou2 zing6 hai6 taan3 hei3 laa1, jau5 m4 hoi1 sam1 jiu3 tung4 jan4 king1 haa5 gaa3. Don't just sigh in despair, if you are unhappy with anything you need to talk with someone.
參看
歎氣
Definitions (Wiktionary)
verb
to sigh (with regret); to heave a sigh; to let out a sigh (syn.) 嘆息, 打咳声, 嘆, 叹息, 咨嗟, 太息, 叹, 吐氣, 打咳聲
你怎麼老嘆氣呀？
你怎么老叹气呀？
nǐ zěn me lǎo tàn qì ya ？ Why do you keep sighing?
Definitions (HSK3.0)
HSK3 六级词汇表 #784
Examples (粵典–words.hk)
Cantonese
佢个人好悲观，成日都唉声叹气。
佢個人好悲觀，成日都唉聲嘆氣。
She's very pessimistic and is sighing all the time.