虎視眈々 こしたんたん Also written 虎視眈眈 Meanings Adverb, たる-adjective vigilantly (watching for an opportunity); eagerly; with an eagle eye Kanji 虎 tiger. Read as コ. 視 sight 眈 watch intently. Read as タン. Common phrases 虎視眈々と狙う Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists