たんたん(glaring) covetously, (watching) eagerly (for a chance)

彼(かれ)はそばで眈々(たんたん)とチャンスを待(ま)っている。

He is eagerly waiting for a chance nearby. {(glaring) covetously, (watching) eagerly (for a chance)}

獲物(えもの)を捉(とら)えるために彼(かれ)は眈々(たんたん)と待(ま)っています。

He is waiting eagerly for a chance to capture his prey. {(glaring) covetously, (watching) eagerly (for a chance)}

眈々(たんたん)と機会(きかい)をうかがったから、機会(きかい)が出来(でき)たのだ。

Because I watched eagerly for an opportunity, an opportunity was created. {(glaring) covetously, (watching) eagerly (for a chance)}

彼(かれ)のように眈々(たんたん)とチャンスを待(ま)つ人(ひと)は、チャンスをものにする。

People who eagerly watch for a chance like him, seize the opportunity. {(glaring) covetously, (watching) eagerly (for a chance)}

虎視眈々(こしたんたん)と機会(きかい)を窺(うかが)ったおかげで、チャンスをものにすることが出来(でき)た。

Thanks to watching eagerly for an opportunity, I was able to seize the chance. {(glaring) covetously, (watching) eagerly (for a chance)}