something very easy to do
что-то очень легкое для выполнения (chto-to ochen' legkoye dlya vypolneniya)
"The exam was a piece of cake for her."
"Экзамен был для нее пара пустяков." (Eksamen byl dlya nee **para pustyakov**.)
having traditional beliefs or methods
Because of a desire to know or learn something.
after an unpleasant experience, you are careful to avoid it...
a situation where companies or countries lower standards to...
a small sign of improvement or success in a difficult situat...
calm, relaxed, and not easily upset