"Where is he?" is a common way to ask about someone's location in Engpsh. This phrase is formed using the adverb "where," which is used to ask about location or direction, and the verb "is," which is used to indicate the present tense. The pronoun "he" refers to the person whose location is being inquired about.

Here are some example sentences using this phrase:

"Where is he? I haven't seen him all day."
"他在哪儿？我一整天都没见到他。"
"Do you know where he is? I need to talk to him."
"你知道他在哪吗？我需要和他谈谈。"
"I'm looking for him, but I can't seem to find him. Do you know where he is?"
"我正在找他，但我找不到他。你知道他在哪吗？"

The phrase "where is he" is a fairly simple and straightforward way to ask about someone's location in Engpsh. It is a common phrase that is used frequently in everyday conversation.