I shouldn't have leaned so hard on you .
 → 강요하는게 아니었는데.

[예문]
W:you're holding wrong again. Let me give you a hand.
  또 잘못 잡았군요. 내가 도와줄게요.

M: I'm all mixed up. I can't remember which way to hold it.
 너무 헷갈려요, 줄리. 어떻게 잡는 건지 까먹었어요.

W: It's my fault. I shouldn't have leaned so hard on you .
 내 잘못이에요.  강요하는 게 아니었는데.

M: Well, it might take me a month of Sundays, but eventually I'll get it.
  글쎄요, 오래 걸리긴 하겠지만, 언젠간 해낼 날이 오겠죠.

*be mixed up 은 '머리가 혼란해지다'라는 뜻.(=be confused)
*lean on 은 '압력을 가하다'의 뜻.
*a month of Sundays는 '오랫동안'이란 의미.