oh, look at you. you're all grown up.看看你，你长大了

grow up长大； 成长

I like to muse about what I will do when I grow up.

我喜欢仔细思考长大後做什么。

what are you laughing at?你笑什么

laugh at嘲笑； 因 ... 而笑

He gave a scornful laugh at my proposal.

他对我的建议轻蔑地一笑。

Don't laugh at him; he's very sensitive.

千万别笑他，他很敏感。

and one night, she didn't come home until 4:00 in the morning.一天晚上她四点才回家

come home回家

Not until eleven o'clock did he come home.

他到十一点才回家。