汉译英：仙桃市“优秀共青团干部荣誉称号”、学校“优秀学生会干部”

仙桃市“优秀共青团干部荣誉称号”、学校“优秀学生会干部”
Xian Tao City "Excellent communist youth league cadre honorary title " , "excellent school student union cadre "

这样就可以了。

honorary title of outstanding official of Xiantao Youth League
Outstanding official of School Student Union (Association)

the honorary title of "excellent cadre of youth league" of Xiantao City and "excellent cadre of Students' Union of the school

Excellent Cadre of Communist in Xiantao
Excellent Leader of the University Student Council