socialize ⇒ 他不善与人交际。 Tā bùshàn yǔrén jiāojì. → He is not good at socializing. ⇒ 语言是重要的交际工具。 Yǔyán shì zhòngyào de jiāojì gōngjù. → Language is an important tool for social interaction.
人际
⇒ 人际状况 rénjì zhuàngkuàng → personal situation ⇒ 搞好人际关系非常重要。 Gǎohǎo rénjì guānxì fēicháng zhòngyào. → It's very important to have good personal relationships.
国际
international ⇒ 国际和平与稳定 guójì hépíng yǔ wěndìng → international peace and stability