１０歳の少年としては彼は利口だ。の英語

He is very clever for a boy of ten.

a boy rising ten

a boy aged 10

They have a ten-year-old son.

a ten‐year‐old boy

boys of ten years and upward

Care has made her look ten years older.

Worry has made her look ten years older.

He was then a boy of ten.

He was a bright little fellow of eleven.

a smooth-faced boy of 14 years

a boy of sixteen

If you are a teenager, you will find the boys very cool and charming.

a boy of seventeen

It seems that he is a promising youth.

a child of ten

a boy of thirteen

Ender Wiggin (Asa Butterfield) is a 10-year-old boy.

a boy of fourteen

at the age of ten＝at age ten

a child of ten

a boy of fifteen

As is quite common for teenagers aged from 13 to 19, she's conceited.

As is quite common for teenagers aged from 13 to 19, she's vain.

As is quite common for teenagers aged from 13 to 19, she's full of herself.

As is often the case with 13 to 19 year olds, she's conceited.

As is often the case with teenagers, she's conceited.

As is often the case for 13 to 19 year olds she fell in love.

He is a promising young man.

He's a promising young man.