Cecil: Seriously, though, no fooling around in here. This stuff is really old. All right, then.

不过说真的，不能在这里打闹，这里的东西都太古老了。

youdao

We have no right to be fooling around, because our everyday life and schoolwork are supported by our parents' hard work and sacrifice!

资格去混日子，每天的生活和学习父母用辛勤的劳动和汗水支撑起来的。

youdao

Employers in desperate need of specialty talent from overseas will have no time for fooling around this coming April 1.

FORBES: Immigration On A Very Fast Track: The Race For H-1B Visas