[xiōng dì]
(哥哥和弟弟) brothers
cousin brothers
堂[表]兄弟
full [whole] brother
同父母兄弟
All men on earth are human brothers.
四海之内皆兄弟。
(兄弟般的) fraternal; brotherly
fraternal parties
兄弟党
brother schools
兄弟学校
They live and work together in complete equality and brotherhood.
他们完全平等和兄弟般地在一起生活和工作。