虎視こし眈々たんたん
koshitantan

Taru Adjective
To-Adverb

1. vigilantly (watching for an opportunity); eagerly; with an eagle eye

Yojijukugo
かれ競争きょうそう相手あいてとしれようと虎視こし眈々たんたんとしている。
karewa kyōsōaiteo otoshiireyōto koshitantanto shite iru.
He watches for an opportunity to intrigue against his rival.
Other forms: