Difference between 几岁 and 多大 ( Age)

When you ask about age, you will use 几岁 or 多大.

When you use 几岁 or 多大?

If a person is under 10, then you use 几岁. Otherwise, you use 多大. I am not 100% sure, but apparently, it is nice to ask old people about age (even woman).



I am not qualified Mandarin Chinese Teacher or native Chinese speaker. It means my notes about Mandarin Chinese may contain mistakes. If you spot any error, let me know in comments below.