哥哥很认真学习

older brother studies very diligently

→ 哥哥
phrase Rare #32,154
older brother studies very diligently 哥哥 means “older brother”; 很认真 describes studying as very focused or diligent.
CH: 我哥哥很认真学习中文。
EN: My older brother studies Chinese very diligently.

她的哥哥很认真学习。

Her older brother studies very diligently.

她哥哥很认真学习。

Her older brother studies very diligently.

他的哥哥很认真学习。

His older brother studies very hard.

他哥哥很认真学习。

His older brother studies very diligently.