他看起来怎么样用英语怎么说三种说法

"He looks"、 "He appears"、 "He seems" 都可以用来表示“他看起来怎么样”.

"He looks" 来源于动词“look”，表示“看上去”的意思。例如：
He looks tired. (他看起来很累)
He looks happy. (他看起来很开心)

"He appears" 来源于动词“appear”，表示“显得”的意思。例如：
He appears to be very successful. (他显得非常成功)
He appears to be in a hurry. (他显得很着急)

"He seems" 来源于动词“seem”，表示“似乎”的意思。例如：
He seems to be very intelligent. (他似乎非常聪明)
He seems to be in a bad mood. (他似乎心情不好)