I didn't go to see her because she was ill．与I didn't go to s

第一句应翻译为：我没有因为她病了就去看她（她病了,按理我应该去看她,但是我没去）.重音放在didn't上
第二句才是：我没有去看她,因为她病了.重音放在because上
大家可以用下面的句子比较一下
i won't excuse you just because you are my son.
我并不能因为你是我的儿子就宽恕你.（不能搞特殊）
i won't excuse you ,because you are my son.
我不能宽恕你,因为你是我的儿子.（严父）