English Slang collection：

　　between a rock and a hard place

　　[释] a dilemma;

　　[例] I really want to quit my job, but I need the money, I feel caught between a rock and a hard place.;

　　between the sheets

　　[释] to sleep; in bed;

　　[例] I'll be between the sheets after brushing my teeth.

　　be up to

　　[释] to do;

　　[例] I saw them whispering in the corner, I am sure they're up to something.;

　　be up to

　　[释] A: Which movie are we going to watch this Saturday night? B: It's up to you.;

　　be up to

　　[释] be capable of;

　　[例] I don't feel up to the task.

　　beyond the pale

　　[释] unacceptable;

　　[例] Her recent conduct is beyond the pale. It's so immature!;

　　big

　　[释] mature;

　　[例] I'm big enough to eat my words. (eat one's words = take the consequences of saying something wrong.);

　　the Big Apple

　　[释] New York City