upstairs

在楼上、往楼上、上楼

She ran upstairs to grab her jacket before we left.

她出门前跑上楼去拿外套。

脑袋里、头脑方面口语

He's very good-looking, but there's not much upstairs.

他长得很帅，可是脑袋空空。

楼上的

The upstairs bathroom has been leaking for weeks.

楼上的浴室已经漏水好几个星期了。

楼上、上层楼

The upstairs was completely renovated last summer.

楼上去年夏天全部重新装修过。

楼上的邻居、楼上住户口语

The upstairs complained about the noise again last night.

楼上的邻居昨晚又来抱怨噪音了。