2 sentences for 贱人 (jiàn​rén)

1. 她骂那个抢走她男朋友的女人是个贱人。

   tā mà nà gè qiǎng​zǒu tā nán​péng​you de nǚ​rén shì gè jiàn​rén.

   She called the woman who stole her boyfriend a bitch.

   Source: Dong Chinese Dictionary

2. 这种为了利益出卖朋友的贱人，根本不值得信任。

   zhè zhǒng wèi​le lì​yì chū​mài péng​you de jiàn​rén, gēn​běn bù zhí​de xìn​rèn.

   A despicable person like this who betrays friends for profit is not worth trusting at all.

   Source: Dong Chinese Dictionary