勢成騎虎 shì chéng qí hǔ

DEFINITIONS

  1. if you ride a tiger, it's hard to get off (idiom); fig. impossible to stop halfway

CHARACTERS

勢 shì power, force; tendency
成 chéng
HSK 3
completed, finished, fixed
騎 qí ride horseback; mount; cavalry
虎 hǔ
HSK 4
tiger; brave, fierce; surname