to work together to solve a problem
一起合作解决问题 (yiqi hezuo jiejue wenti)
"Let’s put our heads together and find a solution."
"让我们集思广益,找到解决方案。" (rang women jisi guangyi, zhaodao jiejue fang'an)
to begin again without any advantage or preparation
to talk about work or business during leisure time
to work extremely hard
to have an extremely enjoyable experience
without any doubt; completely certain
to give work to someone else to do