Would "Saya tidak bisa makan kacang" be an appropriate way to say I'm allergic to peanuts?
Yes, right. You can say "Saya tidak bisa makan kacang karena saya alergi kacang"...
Isnt using tidak and bisa redundant?
Sometimes dia is translated as she and sometimes as he....what is correct?
Indonesian only has one word for both "she" and "he": "dia". So guess which is the right one! :))