Be optimistic, even difficult times will lead to better days!

People sometimes say that every cloud has a silver lining to comfort somebody who’s having problems. They mean that it is always possible to get something positive out of a situation, no matter how unpleasant, difficult or even painful it might seem.

I don’t understand any of it; it makes no sense.

You can use this expression to say that you don’t understand the meaning of something that you’ve read or heard.

means to remember a piece of information when you are making decisions or thinking about a matter; hold / keep in one’s mind

A superstitious way to say ‘good luck’ without saying ‘good luck’, but rather the opposite.

“Ни пуха, ни пера!”

A task that can be accomplished very easily.

легкое дело, сущие пустяки; ≈ плёвое дело

A cup of coffee.