拜访某人的英文是pay a visit to sb；visit（ing） someone。
例句：
1、他正在拜访某人，你不要打扰他。
He is visiting someone. Don't disturb him.
2、我明天要拜访某人，你不要跟着。
I'm going to visit someone tomorrow. Don't follow.
3、你准备车，明天跟我去拜访某人。
Prepare your car and visit someone with me tomorrow.
4、你不能知道我拜访某人，你只要安静的做事就行。
You can't know I'm visiting someone. You just have to do things quietly.
5、拜访某人让我感觉压力巨大。
Visiting someone makes me feel very stressed.
