I’m going to have a bash at fixing the car myself.

我打算自己动手试试修那辆车。

I've never cooked before, but I don't mind having a bash at it.

我从来没有烧过菜,但我也不妨试一试。

I am doubtful whether I could ever learn English, but I'm determined to have a bash at it.

不晓得我能不能学会英语, 但是我决心试试看。