Trust me, meatballs are annoying to prep, and we know damn well if they're fresh or not without needing to check.

但是相信我，肉圆要准备起来是相当麻烦的，所以可以非常肯定的告诉你，不需要去检验，他们肯定不新鲜。

youdao

The PAM ZERO can directly measure (with no need for fluorescent tagging) a variety of aggregation phenomena, plotting reaction curves in real time without any complex sample prep.

PAM ZERO可以直接测量各种聚集现象(不需要荧光标记)，绘制实时反应曲线，无需复杂的样品制备。

youdao

"It was a great training performance on Christy Roche's part to have her so ready for today without a prep race, " said winning rider Charlie Swan.

BBC: Like-A-Butterfly too strong

But somehow singing jazz without the existential credentials is like some prep school mama's boy trying to sound like Sid Vicious.

NPR: Tierney Sutton: 'I'm With the Band'

Where would drama be without its stereotypical stream of greedy corporate types, evil southern sheriffs, and arrogant prep school kids?

FORBES: The Confession of a Serial Stereotyper: How to Stereotype Your Way to Success