小弟 xiǎodì humble I Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: younger brother All meanings 3 xiǎodì 3 humble I 2younger brother 1 1 sentence for 小弟 (xiǎodì — younger brother) 他是我的小弟,比我小三岁。 tā shì wǒ de xiǎodì, bǐ wǒ xiǎo sān suì. He is my younger brother, three years younger than me. Source: Dong Chinese Dictionary