Question

“从前，我是一个枪法不准的枪手."这句话怎么用英语去表达？

我想表达“从前，我是一个枪法不准的枪手."下面这样翻译对吗，有没有语法错误，表高手指点！谢谢！
Once upon a time,I was a launcher who was a bad hand with a gun

Answer 1

枪手用gunner或shot比较好，
Once upon a time, I was not a particurlarly good shot.
或者
Once upon a time, I was a shot who can not shoot well

Answer 2

Once upon a time,I was a gunner with bad shots.

Answer 3

Once upon a time, I am a no gunmen marksmanship