expression, adverb taking the 'to' particle
without making waves; softly; like a willow in the wind
Idiomatic expression describing a flexible, non-confrontational attitude; often used with と to modify a verb, implying graceful yielding rather than resistance.
He handled it without making waves, like a willow in the wind.
An adult responds to criticism softly, like a willow in the wind.
Literally 'a willow in the wind', from the image of a willow tree bending gracefully without breaking. The exact origin is uncertain, but it is a traditional Japanese metaphor for flexibility and non-resistance.