"walk up" in Chinese (Simplified)
走上前走上去
Definition
指走向某人或某物，也可指走上去（如走楼梯）。
Usage Notes (Chinese (Simplified))
常用于'walk up to someone' 表示走近某人，也可用于走楼梯（walk up the stairs）。不仅仅是'走'，通常带有接近或往上的意思。属口语表达。
Examples
She walked up to the teacher and asked a question.
她**走上前**问老师一个问题。
Please walk up the stairs carefully.
请小心**走上去**楼梯。
The boy walked up to the dog and started petting it.
男孩**走上前**摸了摸狗。
You can just walk up and say hi if you want.
你想的话可以直接**走上前**打个招呼。
I saw her walk up the hill without stopping once.
我看到她**一步不停地走上了**山坡。
He just walked up out of nowhere and started talking to us.
他就这样**走过来**，突然开始跟我们说话。