Correct
只可意会，不可言传
/ zhī kě yìhuì, bùkě yánchuán /
Strokes
Definition
can be understood, but not described (idiom, from Zhuangzi 庄子); mysterious and subtle
Example
Definition
the subtlety (of sth) is beyond description though it can be sensed; (sth) can be apprehended but not expressed