Correct
骑虎难下
/ jì hǔ nán xià /
Strokes
Definition
if you ride a tiger, it's hard to get off (idiom); fig. impossible to stop halfway
Example
Definition
ride a tiger and find it difficult to get off―be unable to extricate oneself from a difficult situation; have no way to back down; be irrevocably committed; have/hold a wolf by the ears