I'll allow you three guesses.是什么意思？

I'll allow you three guesses.

我让你猜三次.

ll

abbr. lines （复数）线，land lines 陆线，load line 负载线，lectiones (Latin=readings) （拉丁语）知识；

例句
And to the bonny Bann banks forever I ll bid adieu.
我对神发誓,我永远都不会说再见.

allow

vt. 允许，承认，给予，准许（做某事）；vi. 容许，考虑；

例句
The lab has recently been updated to allow for more advanced courses.
实验室最近经过更新，可以上更高阶的课程了。

you

pron. 你，你们，您们，各位，大家；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

three

num. 三，三个，第三（章，页等）；n. 三岁，三个人[东西]，三，三个；adj. 三的，三个的；

例句
Outsiders who wed islanders are given only three years' right of abode at first.
岛外的人和岛民结婚之初只能获得三年的居住权。

guesses

n. 猜测，估计，猜想( guess的名词复数 )；v. 猜( guess的第三人称单数 )，（引出令人惊奇或激动的事）你猜，猜对，猜中；

例句
Every single one of those inspired guesses had been shots in the dark.
所有那些凭直觉的猜测都是无根据的瞎猜。