noun
behavior; manner; attitude; bearing
Refers to outward behavior, manner, or attitude, often implying a hint or suggestion of something through one's actions or demeanor. Commonly used in phrases like 素振りを見せる (to show a sign of something).
彼は全く動揺した素振りを見せなかった。
He showed no sign of being upset at all.
彼女は知らない素振りをした。
She pretended not to know.
Compound of 素 (plain, unadorned) and 振り (behavior, manner). The combination suggests natural or unguarded behavior.