She never watches where she is going.
 → 그녀는 앞을 살필줄몰라.

[예문]
watch where (someone) is going :길을 살펴가다

A:Anne bumped into me in the hall again.
  앤이 홀에서 나하고 다시 부딪쳤어.

B:Yeah, she never watches where she is going.
  그럴줄알았어. 그녀는 앞을 살필줄 몰라.