Correct
失常
/ shīcháng /
Strokes
Definition
not normal/an aberration
Example
As a Verb
be abnormal/odd; crack (under pressure/strain)
1
Yùndòngyuán
运动员
yālì
压力
guò
过
dàhuì
大会
fāhuī
发挥
shīcháng
失常
。
Players are liable to crack under the pressure/strain.
2
Jǔzhǐ
举止
shīcháng
失常
act oddly
3
Jīngshén
精神
shīcháng
失常
be distraught; be mentally deranged; not be in one's right mind