Correct
发紧
/ fà jǐn /
Strokes
Example
As a Verb
(of the chest muscles) become taut; feel choked or uncomfortable (in the chest, etc)
1
Xiōngkǒu
胸口
fà
发
jǐn
紧
feel choked/uncomfortable in one's chest
As a Verb
be/feel nervous; be keyed up
As a Verb
(of a patient) be in critical condition