a deep suspiration
a long suspiration
a heavy suspiration
A: Did you hear that long suspiration?
A：你听到那声长长的叹息了吗？
B: Yes, it sounded like he was very tired.
B：听到了，听起来他非常疲惫。
1) 叹息
2) 呼吸
3) 叹息声
1. 叹息
noun
1. the act of sighing or a long, deep breath.
Synonym: sigh