志愿服务让他的暑假过得格外充实,也让他更理解社区工作的复杂性。Zhìyuàn fúwù ràng tā de shǔjià guò de géwài chōngshí, yě ràng tā gèng lǐjiě shèqū gōngzuò de fùzáxìng.Voluntary work made his summer holiday especially fulfilling and helped him better understand the complexity of community work.
退休以后,奶奶每天都过得很充实。Tuìxiū yǐhòu, nǎinai měitiān dōu guò de hěn chōngshí.Since retiring, Grandma has filled every day with meaningful things.
我们要多读书,不断充实自己的知识。Wǒmen yào duō dúshū, búduàn chōngshí zìjǐ de zhīshi.We should read more and keep enriching our knowledge.