I think you have a problem. 我覺得你有問題。
I don't think it's a good idea to leave now. 我覺得現(xiàn)在離開并不是個(gè)好主意。
I don't think we're met before. 我覺得我們之前沒有見過面。
I think that my math teacher is an asshole. 我覺得我的數(shù)學(xué)老師是個(gè)混蛋。
What makes you think so? 你為什么會(huì)那么想?