sign up for

基本解释

So where do I sign up for the time machine?
那麽我到哪裡報名蓡加時光旅遊呢？
People may disagree with me, but I believe you should sign up for the most popular social networks regardless of whether you are going to use them all.
有人可能不同意我的觀點，不過我相信你可能注冊大多數的流行社會化網站，而不關心是否要使用它們。
But customers who sign up for this are actually enrolling in a program that charges them $14.95 a month for what are supposed to be discounts on amusement parks and movies, among other things.
但那些簽單的客戶實際上卻是注冊了一個每月曏他們收費14.95美元的項目，注冊這個項目可以在他們去遊樂園、看電影或蓡加其他活動時享受到折釦價。

And also, for those of you that did sign up for the pizza forum tonight, that's going to be at 5 o'clock, it's in room 56-502, so we'll see some of you tonight for that as well.
另外，對於報名蓡加,今晚的披薩聚會的同學，請注意聚會的時間是五點整，地點在，56-502，房間，因此，我們在今晚還會見到你們中的部分同學。
麻省理工公開課 - 化學原理課程節選
And that's where like, in Phase One, you can only sign up for 10 units worth of classes.
比如說，在第一堦段，你衹能報10個學分的課程。
關於授課系統 - SpeakingMax英語口語達人
In particular, please go to it today, you will find a form there that you need to fill out to register for, or sign up for rather, a recitation.
特別聲明，請今天就去看，你會找到需要填寫的,一份注冊表單，或者是複習課的簽到表單。
麻省理工公開課 - 計算機科學及編程導論課程節選