Can I say it ?

[WUKEN]

Hello teachers:
If my expression in English is not idiomatic ,
I wonder if I can say
" Sometimes my mother tongue interferes with my thought when I learn English."

Could you confirm it for me?If it's not , could you tell me how to say it?

Thanks for your help!

[Soup]

Hi WUKEN

Ex: Sometimes my mother tongue/1st language interferes with my thoughts when I'm learning/speaking English.