Correct

叹息

/ tànxī / 
Strokes

Definition

to sigh/to gasp (in admiration)

Example

As a Verb

sigh; let out/heave/utter/give a sigh

1
Qīngshēng
轻声
tànxī
叹息

sigh softly

2
Wéi
为
zìjǐ
自己
de
的
bùxìng
不幸
  
/
shībài
失败
ér
而
tànxī
叹息

sigh about/over one's misfortune/failure