こしたんたん 虎視眈々 LinksSentence search for 虎視眈々Sentence search for こしたんたんSentence search for 虎視眈眈Kanji details for 虎, 視 and 眈Edit in JMdict Adverb taking the 'to' particle, 'taru' adjective1. vigilantly (watching for an opportunity); eagerly; with an eagle eyeYojijukugo (four character compound)Other forms虎視眈眈 【こしたんたん】 Discussions Log in to talk about this word.