B2 verb, noun, adjective /flʌʃ/
flush
краснеть / смывать водой
Meaning
to become red in the face, usually from embarrassment, heat, or excitement; to clean something with a flow of water
Example
She flushed with embarrassment when she realized her mistake.
Она покраснела от стыда, когда поняла свою ошибку.