Joking aside, we really must do sth.

说笑归说笑，我们真得做点事了。

youdao

Want to accomplish get sth done once and for ever, build, or else do poorly done work over again is newer, must hold to quality first principle, cannot seek rate blindly, drive a measure.

要做到一劳永逸，一次修筑，再不返工更新，必须坚持质量第一的原则，不可盲目求速度、赶数量。

youdao

In case misfortune dead machine, must not alarmed, do STH without authorization closes machine restart, and should personnel of invigilate of report of raise one's hand.

万一不幸死机，千万别惊慌，擅自关机重启，而应举手报告监考人员。

youdao