•to solve a problem解决问题

•to solve a mystery/puzzle揭开秘密／谜底

•Just calm down - shouting won't solve anything!冷静下来——大喊大叫并不能解决任何问题！

•This strategy could cause more problems than it solves.这一策略引发的问题可能会比解决的还多。

•Police are still no nearer to solving the crime.警方在侦破此案上依然没有取得任何进展。