In English, "手机" is called a "cell phone" or a "mobile phone". The word "cell" refers to the small, individual areas that a mobile phone network uses to divide a larger coverage area into smaller, more manageable sections. "Mobile" refers to the fact that these phones are designed to be used on the go, allowing users to make calls and access the internet while they are away from their homes or offices.

Here are some example sentences using "cell phone" and "mobile phone" in English:

I always keep my cell phone in my pocket so I can stay connected while I'm on the move.

Do you have a mobile phone that I can borrow? I need to make a call but I left mine at home.

I can't live without my cell phone – it's like an extra appendage!

In terms of pronunciation, "cell phone" is typically pronounced with a hard "c" sound, like "sell", and a long "o" sound, like "hole". "Mobile phone" is pronounced with a short "o" sound, like "mob", and a long "e" sound, like "bee". Here are the pronunciations for each word:

"Cell phone": /sɛl foʊn/

"Mobile phone": /moʊbəl foʊn/