one reed
Literal meaning: a single reed. Used in classical or poetic contexts.
Drifting like a single reed on the current.
small boat
Metaphorical extension from 'one reed' to a small, fragile boat, often in classical Chinese-influenced literature.
Crossing the great river in a small boat.
Rare metaphorical use: a single person, as fragile as a reed. Not used in modern everyday language.
Standing against the world as a single fragile person.