Word: 阴险 (yīnxiǎn) Traditional: 陰險 阴险 dictionary entry yīnxiǎn treacherous; sinister Full dictionary entry for 阴险 Example sentences using 阴险 2 sentences, showing page 1 of 1. 别跟那个阴险的人做朋友。 Bié gēn nàge yīnxiǎn de rén zuò péngyou. Don't be friends with that sinister person. 那个人的笑容让我觉得有点阴险。 Nàge rén de xiàoróng ràng wǒ juéde yǒudiǎn yīnxiǎn. That person's smile strikes me as a bit sinister.