とても幸せそうだ

looks very happy

→ 迚も
phrase Uncommon #11,467
looks very happy そう indicates that this is based on how someone appears, rather than certain knowledge.
JA: 彼はプレゼントをもらって、とても幸せそうだ。
EN: He looks very happy to have received a present.

とても幸せそうだ

They look very happy.

— レミーのおいしいレストラン (2007)

トムはとても幸せそうだ。

Tom looks very happy.

彼はとても幸せそうだ。

He looks very happy.

彼女はとても幸せそうだ。

She looks very happy.