Word: 核心 (héxīn) 核心 dictionary entry héxīn core Full dictionary entry for 核心 Example sentences using 核心 2 sentences, showing page 1 of 1. 你们俩是团队的核心。 Nǐmen liǎ shì tuánduì de héxīn. You two are the nucleus of the team. 家庭是社会的核心。 Jiātíng shì shèhuì de héxīn. The family is the fundamental unit of society.