I wasn't thinking (also I didn’t think)SORRY/APOLOGIZE used as a way of saying you are sorry because you have upset someone 我太冒昧了，是我欠考虑〔用于道歉〕 Sorry, I shouldn’t have said that. I wasn’t thinking. 对不起，我不该说那样的话。是我太冒昧了。
I wasn’t thinking• Sorry, I wasn't thinking. Do you want a cup too?
→ I wasn’t thinking at think1(SPOKEN SECT)