solve 一般用于解决难题，如solve a problem, solve a riddle, solve an algebra problem。

而resolve 是用在解决矛盾，或者是解决大难题，较显示问题的严重性，如resolve a conflict, resolve differences，resolve a crisis。

solve 也可用于resolve的句例里。

solve: To work out a correct solution to (a problem).解答：得出（问题）的正确解答To find a solution to.解决：找到…的解决办法resolve:To make a firm decision about.做决定：作出关于…的坚定决定To decide or express by formal vote.正式表决：通过正式投票决定或表达To bring to a usually successful conclusion:解决：达到通常成功的结果：resolve a conflict.解决冲突。