Correct

外弛内张

/ wài chí nèi zhāng / 
Strokes

Example

Definition

relaxing/relaxed outside/on the surface but tense inside/underneath; controlled tension

1
Sāoluàn
骚乱
hòu
后
de
的
xiǎozhèn
小镇
  
,
qìfēn
气氛
wài
外
chí
弛
nèizhāng
内张

In the post-disturbance town, the atmosphere was relaxed on the exterior but tense inside.