tears before bedtime

Translations
слёзы перед сном
If you don't stop teasing your sister, there'll be tears before bedtime.
Если ты не перестанешь дразнить свою сестру, будут слёзы перед сном.
Definitions
A phrase used to suggest that something upsetting or disappointing is likely to happen, often as a result of an argument, mishap, or conflict, especially before the end of the day. It is commonly used in a lighthearted or warning manner, particularly with children, to indicate that someone's actions may lead to crying or distress before going to bed.
Words
tears

noun
слёзы
before

preposition
перед
bedtime

noun
время отхода ко сну