2 sentences

1. 他受尽严刑，却始终不肯招供。

   tā shòu​jìn yán​xíng, què shǐ​zhōng bù kěn zhāo​gòng.

   He was subjected to severe torture but still refused to confess.

   Source: Dong Chinese Dictionary

2. 敌人对他进行严刑拷打，但他始终没有屈服。

   dí​rén duì tā jìn​xíng yán​xíng kǎo​dǎ, dàn tā shǐ​zhōng méi​yǒu qū​fú.

   The enemy subjected him to severe torture, but he never gave in.

   Source: Dong Chinese Dictionary