Can you give me some advice?

你能给我一些建议吗？

Can you give me some advice on this matter?

你能给我一些关于这件事的建议吗？

Can you give me some advice on keeping slim?

你能给我一些保持身材苗条的建议吗?。

Can you give me some advice on my pronunciation?

你能就我的发音提一些建议吗?

I want to buy a jacket Can you give me some advice?

我想买一件夹克，你能给我一些意见吗？

Hello, I am a fresh wanting to apply to study architecture, can you give me some advice?

你好，我是一名新生，我想申请学习建筑学，你能给我一些建议么？