Word: 异性 (yìxìng) Traditional: 異性 异性 dictionary entry yìxìng the opposite sex; of the opposite sex; heterosexual; different in nature Full dictionary entry for 异性 Example sentences using 异性 2 sentences, showing page 1 of 1. 他不太会和异性说话。 Tā bú tài huì hé yìxìng shuōhuà. He isn't very good at talking to the opposite sex. 青春期的孩子开始关注异性了。 Qīngchūnqī de háizi kāishǐ guānzhù yìxìng le. Teenagers start to take notice of the opposite sex.