"How to say '看' in English" can be translated into English as "look".
If you want to express the action of observing or watching something carefully, you can use the phrase "look at", for example: "Please look at the picture and answer the question."
If you want to express the idea of looking or searching for something, you can use the verb "look for", like: "I am looking for my keys. Have you seen them?"
Additionally, if you want to express the feeling of admiration or interest in someone or something, you can use the expression "look upon" or "look up to", such as: "She looks upon her teacher with great respect."
In short, "look" is a versatile word that can be used in many different contexts to describe the act of seeing, observing, searching for, or admiring something.