2 sentences for 不法 (bù​fǎ — illegal)

1. 这种不法行为必须受到严惩。

   zhè zhǒng bù​fǎ xíng​wéi bì​xū shòu​dào yán​chéng.

   Such illegal behavior must be severely punished.

   Source: Dong Chinese Dictionary

2. 不法分子利用人头账户进行洗钱活动。

   bù​fǎ fèn​zǐ lì​yòng rén​tóu zhàng​hù jìn​xíng xǐ​qián huó​dòng.

   Criminals use nominee accounts for money laundering activities.

   Source: Dong Chinese Dictionary