Look like the cat that swallowed the canary ご満悦の様子

look like the cat that ate/got/swallowed the canary カナリヤを食べた猫のように満足しているように見える、、、これは説明の必要がまったくないイディオム。1:51 well, my goodness, you certainly look like the cat that swallowed the canary this morning. してやったりという顔じゃないか。

Superman 2 - Lois reveals the identity of Superman

1:12 you look like the cat who swallowed the canary. 得意満面ね。

A New Kind of Wildness | Harley and the Davidsons

40:35 somebody looks like the cat who ate the canary. 誰かさんはずいぶんご満悦ね。

Comedy romantic movie 2017 - Hallmark Movies - Beauty and A Briefcase