知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。The which means is obvious to me. Having said that, I've looked it up inside the dictionary and I haven't located any illustration sentence exhibiting "to look for". Could it be right? Wouldn't "to check" just suffice?adv superl of very well → am