Translation of "움직임이" in English

‎큰 움직임이 보이면 불안해하다가 ‎저인 걸 확인하고는

She'd see big movement, and she'd be slightly afraid and then look, "Oh, it's him."

숲속에 비밀스런 움직임이 있음을 알아채고 주의를 기울였습니다.

I was keenly aware of secret movements in the trees