ながら
Usage
XながらY connects X and Y in the paradoxical relationship 'X but Y', contradicting the prediction or expecation Xならは普通はYない. X can be a motion verb, the ている form or a stative verb, or the ない form. V ますform ~~ます~~ / N/なA / いA + ながら
Examples
あの人は、医者でありながら、健康に悪そうなものばかり食べている。
Although he's a doctor, all he eats is things bad that seem bad for the health
先生は、事件のことを知っていながら、何も言わなかった。
Although our teacher knew about the incident, she didn't say anything
Good to know
ながらも is used to emphasize that the stated connection is one that is normally impossible
A little more polite than のに