to start thinking seriously about solving a problem
开始认真思考如何解决问题 (kaishi renzhen sikao jiejue wenti)
"Let’s put on our thinking caps and find a solution."
"让我们戴上思考帽，找到解决方案。" (Rang women daishang sikaomao, zhaodao jiejue fang'an)
To take a risk to achieve something worthwhile.
to try as hard as you can
to share information to make people more conscious about som...
to reject something by voting against it
according to one’s own opinion or standards
to start over again because the previous plan failed
