she is just going through stage .?mean

Question

hello

for example at this conversation ;

A;So ,how are things ?

B;Not bad,but  I'm a little worried about my 12 year old ,He is causing problem at school.

A;Tom?! but he's never given you any problems before.

B;I know,but we are hoping ,he is just going through a stage .

Answer 1

بستگي به متن داره 

هم اكنون در مرحله گذار است ( تبديل از حالتي به حالت ديگه)

Answer 2

او دارد به تازگی وارد یک مرحله می‌شود.
یا
او در آستانۀ وارد شدن به یک مرحله است.

و اینکه احساس می‌کنم که این متن باید ادامه داشته باشه، چون stage الان نکره است و هنوز برای شنونده مشخص نیست که چه stageایه.

reach/get to a stage We have reached the stage where no-one is safe to walk our streets at night.

enter a stage He is entering a new stage of his career.

go through a stage Most young people go through a rebellious stage.