What do you think of that girl? 你觉得那个女孩子怎么样?
Do you think it's all right? 你觉得它好吗?
From my point of view, this problem must be solved at once.
在我看来,这个问题必须马上解决。
I think you'd better do so. 我认为你最好这样做。
What do you suggest? 你有什么意见?
I'd like to make a suggestion. 我想提个建议。
What about going to the movies? 去看电影怎么样?
Mind your own business! 管好你自己的事吧!
Thank you for your advice. 谢谢你的意见。