Solve 解決
These measures aim to solve the problem of unemployment.這些措施旨在解決失業問題
Settle 解決Both sides agreed to settle their dispute by negotiation.雙方同意通過協商解決紛爭
Work out----find a solution by thinking about it or discussing.She worked out the answer to the 4th problem all by herself.
她自己解答了第四個問題
Sort out
Two countries have sorted out their trade dispute.兩國已經解決了貿易爭端
Figure out 弄明白
He finally figured out why he was not getting promoted.他最終弄明白他為什麼沒有晉升