trees and stones
Literal compound referring to trees and stones as natural objects, often used in classical or literary contexts.
Trees and stones are arranged in the garden, giving it a quiet charm.
unfeeling person; heartless person
Figurative use likening an emotionless person to insentient trees and stones; somewhat literary.
He is as cold as a stone.
unfeeling person; callous person; heartless person
Compound of 木 (tree) and 石 (stone). The figurative sense derives from the idea that trees and stones lack emotion.