Translation of "Boyhood" in Japanese

Sami's boyhood dream finally came true.

サミの少年時代の夢がついに叶いました。

He was very naughty in his boyhood.

彼は少年時代はとてもやんちゃだった。

They laughed at the photograph of my boyhood.

彼らは僕の少年時代の写真を見て笑った。

In his boyhood, Yasunari Kawabata took care of his grandfather.

少年時代に川端康成は彼の祖父の面倒を見た。

His boyhood experiences taught him what it was like to be poor.

少年時代の経験で彼は貧乏がどういうものか知った。

- They laughed at the photograph of my boyhood.
- They looked at the photo taken of me when I was a boy and laughed.

彼らは僕の少年時代の写真を見て笑った。