我们需要解决这个问题。
wǒmen xūyào jiějué zhègè wèntí 。
We need to solve this problem.
他想办法解决和朋友的矛盾。
tāxiǎng bànfǎ jiějué hé péngyǒu de máodùn 。
He is thinking of a way to resolve the conflict with his friend.
老师帮我解决了数学题。
lǎoshī bāng wǒ jiějué le shùxué tí 。
The teacher helped me solve the math problem.