grass on
上級 (C1) slang
To secretly tell the police or someone in charge about what another person has done wrong.
"Nobody likes him at school because he's always grassing on his classmates."
文脈の中で聞く
A Dark Fantasy Audiobook: Reborn With A Divine System And Hidden Power (Book 1-4) | Complete Series
NoirCast · 2525:05
through the tall grass on the hilly open plains.
Dangerous Killer Bees, Spiky Plants, & Giant Centipedes | A Triple Threat for Coyote!
Brave Wilderness Top Videos · 73:21
They're walking around eating grass on horse stuff.
Game Warden Turned Undercover Cop Reveals the Cases That Almost Killed Him
Ian Bick · 48:08
and he's literally going from the grass on the right
I FOOLED Villagers With 1,000,000 HEARTS In Minecraft!
PrestonPlayz · 5:41
It's a slime block, but it's got grass on it.
100 Iconic Moments From Sir David Attenborough | BBC Earth
BBC Earth · 153:31
Forever chasing the seasonal growth of the grass on which they depend.