Please be good with your sister.你要好一点对你的妹妹
He is good with swimming他擅长游泳
Better make friends than make enemies.
冤家宜解不宜结.
Can I make friend with you ?我能与你交朋友吗?
I can help you with your homework. 我能帮你做家庭作业
I am willing to help you with your English.我乐意在英语上面帮助你.