騎虎の勢い きこのいきおい Meanings Expression, Noun having no choice but to carry on; having no choice but to go on; being unable to change one's course of action (literally: (with the) momentum of (a man) riding a tiger) (from the Book of Sui) Kanji 騎 mounted. Read as キ. 虎 tiger 勢 force. Read as いきおい. Word lists Idioms Jinuma: Japanese Dictionary · Word lists