他的數學不是很好：his math is not so good.他不擅長數學：he is not good at math.他在這方面有點困難：he has some difficulties in this area.你能幫助他：you can help him.你能夠幫助他提高數學成績嗎：could you help him improve his math grades?你能提供一些學習方法給他嗎：can you provide some study methods for him?你愿意教他一些數學概念嗎：would you be willing to teach him some math concepts?你能否在他學習數學時給他一些指導：could you give him some guidance when he studies math?你能否在周末為他補課：could you tutor him on weekends?你能否為他找一些數學輔導資料：could you find some math tutorial materials for him?你能否幫助他找到一個數學學習伙伴：could you help him find a math study partner?你能否在他需要時提供幫助：could you offer help when he needs it?你愿意花時間幫助他嗎：would you be willing to spend time helping him?你能否提供一些在線資源或應用程序：could you provide some online resources or apps?你能否在他遇到困難時給他鼓勵：could you encourage him when he faces difficulties?