2 sentences

1. 他明知自己会死。

   tā míng​zhī zì​jǐ huì sǐ.

   He knew he would die.

   Source: OpenSubtitles

2. 他明知这样做很危险，但还是坚持要去。

   tā míng​zhī zhè​yàng zuò hěn wēi​xiǎn, dàn hái​shi jiān​chí yào qù.

   He insisted on going even though he knew full well it was dangerous.

   Source: Dong Chinese Dictionary