What's the origin of this idom? That's (Those are) the breaks / That's the way the cookie crumbles.. I guess these two idoms have the same meaning and interchangeable. But by any chance, do you know the origins of them and how they started to be used?, Thank you...

Cut me some slack! / Give me a break! I have a question about the phrase below.. Mom: Hey,son.why haven't you swept the floors or dusted like i asked you to? Son: Mom, just cut me some slack!. I have been studying for weeks and i don't still understand all the material.I'm so stressed. I'll do it later,please.. In the above dialogue, the phrase "cut me some slack", Would it be okay to replace it with this phrase "give me a break". I'm not sure if i understand correctly but i think those two phrases have the similar meaning like "don't give me a hard time or treat me in a harsh way".. Please,leave some comment... Thank you very much..

The difference? Hi.. I'd like to the difference between these two sentences. What can parents do when their kids start acting out? What can parents do when their kids start acting up? Thank you very much...

The difference? Quality / Characteristic / Attribute / When it comes to refering to a person,what's the difference between them? Thank you...

Up for / Want to.... I'm up for some Chinese food / I want to have some Chinese food.. We're going out dancing tonight.Are you up for it? / We're going out dancing tognight. Do you want to join us? What's the difference between those sentences?..What kind of feeling or nuance do you get when you speak each sentence?..My guess is that they have pretty much the same meaning but the word " up for" is stronger than the word " want to" when it comes to nuance .Am i right?.If not,correct me,please.. Thank you.

What's to pay? A: What a pleasant surprise running into you! I haven't see you in a while.What's to pay? B: I've been around.Nothing new is happening.. What i'd like to know is the sentence "What's to pay?" what does this mean? Thank you.....

To have a big head ??? (to have a ) big head.. According to the english dictionary this phrase is used to refer to someone arrogant.. Why is that? Why is someone who has a big head considered to be arrogant? That doesn't make any sense to me..Do you happen to know of any funny story that is related to this phrase..That would help me understand this phrase better,if you let me know... Thank you...

What's the difference? 1.What are you doing this weekend? 2.What are you up to this weekend? What's the difference between these two sentences? Thank you....

Same meaning? That's the way it(life) goes.../ That's(Those are) the breaks.. Do these two have the same meaning and totally interchangeable? Thank you in advance...