虎視眈々
こしたんたん- 1vigilantly (watching for an opportunity) ; eagerly ; with an eagle eye Translated by Jiyomi
Other writings and readings
虎視眈眈虎視たんたん
adverb taking the 'to' particle · 'taru' adjective
Kanji · tap to open
JMdict entry 1593230. Source and licence.