nǐ / míng / míng / zhī / dào / tā / bú / huì / dā / ying / zhè / yàng / wèn / qǐ / fēi / shì / zài / wéi / nán / tā

你明明知道他不会答应，这样问岂非是在为难他？

You clearly know he will not agree; isn't asking this just putting him in a difficult position?