He seemed a bit subdued to me.

　　我覺得他當(dāng)時(shí)有點(diǎn)悶悶不樂。

　　It's just a bit of harmless fun.

　　開個小玩笑罷了，并無惡意的。

　　He looked a bit embarrassed.

　　他看上去有點(diǎn)尷尬。