勢成騎虎 (sai3 sing4 ke4 fu2) — it is impossible to stop halfway or there are dire consequences of doing so (lit., "if you ride a tiger, it's hard to get off") in Cantonese
sai˗₃勢singˎ₄成keˎ₄騎fuˊ²虎简 势成骑虎
Mandarin Pinyin: shi4 cheng2 qi2 hu3
Meaning of 勢成騎虎
nounit is impossible to stop halfway or there are dire consequences of doing so (lit., "if you ride a tiger, it's hard to get off")