I would like to improve my English ability for personal reasons.

　　我因為私人的理由想要改善我的英語能力。

　　This Is A Personal Moment, Why Would They Do This?

　　這些很私人的，他們?yōu)槭裁催@樣做？

　　But it's got some way personal stuff in there.

　　但里面記了些私人的事。

　　I think he's been having personal problems lately.

　　我想他最近可能有一些私人的問題。

　　When are you going to stop asking such personal questions?

　　你什么時候不再問這種私人的問題？

　　We're supposed to tell each other something personal.

　　我們要告訴對方些私人的東西。