It simply means don't cheat on your diet. In other words, calories DO count even if no one sees you eating.
"Sly kwim" is not a commonly recognized phrase or term in English. It is possible that it is a misspelling or a regional expression. Can you provide more context or information about where you heard or saw this phrase?
Cowboys loved a colorful phrase! This one meant a sly trick or artful dodge. It might also mean a whim or fancy.
sly means sneaky like a fox
Yes, sly and cunning basically do mean the same things.
The phrase, sly like a fox, is meant towards a person that is sneaky. This type of person is always trying to cover something up.
sly
do nothing secretively.
Sly dog or die
sly
Keen.
Yes, it is. It can mean sly (for a person) or can mean complex, intricate, or difficult.
Murray has to be in Sly 4 he's one of the coolest guys on the team. The game wouldn't be fun without him on the team!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Murray is in sly 4. So you mean ther is going to BE a Sly 4? Cool! I'm a swedish girl, when do it come in sweden?