风向标 — meaning in English

fēng xiàng biāo

English meaning

pinwheel noun A children's toy with a wheel-shaped head on a stick that spins round in the wind.
weathercock noun A weathercock is a weather vane, often shaped like a cockerel, that turns to show the direction of the wind.
windmill noun A structure with rotating sails that harnesses wind power to grind grain, pump water, or generate electricity.
wishy-washy adjective Lacking firmness or clear opinions; vague, indecisive and unwilling to commit to a position.

风向标 is used for these senses in English:

pinwheel An artificial flower with a stem, usually plastic, for children: the flower spins round in the wind, like a small paper windmill.
weathercock (figuratively) One who veers with every change of current opinion; a fickle, inconstant person.
windmill A child's toy consisting of vanes mounted on a stick that rotate when blown by a person or by the wind.
wishy-washy Wavering; lacking in commitment, certainty, support, and (often) clarity; namby-pamby.

noun A children's toy with a wheel-shaped head on a stick that spins round in the wind.
noun A food made by rolling a flat sheet of pastry or bread with a filling into a spiral shape.

noun A weathercock is a weather vane, often shaped like a cockerel, that turns to show the direction of the wind.
noun A weathercock is also someone who keeps changing their opinion to match whatever is currently popular.