I had made preparations beforehand.
我预先作了准备。
You'd think if people were going to come to the meeting they'd make the necessary preparations beforehand.
你会认为如果人们要来开会，他们应该事先做必要的准备。
You must make your mental preparations beforehand, and concentrate on your task almost instantly when the time comes.
你必须事先有心理准备，几乎一有时间就全身地投入工作。
If I had known beforehand that you would bring so many friends home, I would have made better preparations.
要是我事先知道你会带这么多朋友回家，我会好好准备的。
The time period was only 9 days, and neither party had made any preparations whatsoever beforehand.
时间上只有9天，而且双方在此之前并未作出任何准备；
The time period was only 9 days, and neither party had made any preparations whatsoever beforehand.
时间上只有9天，而且双方在此之前并未作出任何准备；
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