123英文怎么写

"123" in English is typically written as "one two three".

However, if you are asking for a more concise way to write "123", it could be written as "oh-two-three" in informal writing or "1-2-3" in numerical form.

Please note that this can vary depending on the context and the style of writing. For example, in scientific writing, "123" would typically be written as "123", with no spaces or hyphens, for clarity and precision.