If you share a task, duty, or responsibility with someone, you each carry out or accept part of it. You can also say that two people share something. 共同承担; 分摊
noun [具体名词]公用,共享
He was always generous in sharing his enormous knowledge. 他一直不吝分享自己丰富的知识。
adjective [原级]乐于分享的;慷慨的,无私的
I suggested sharing the cost, but he wasn't having any of it. 我提议分担费用,可是他不同意。