(1)I submit (yield ,bend) to you . (2)I've admiration for you. (3)I am sincerely convinced by you. (4)You really suck. (5)i'm speechless. 前三个句子是指比较佩服对方，褒义；第4个、5个就是在比较无奈，无话可说的情况下说的。 具体情况具体分析吧。

i fu le u

I give up. “我放弃了” or “我服了你了”