noun
fingers; fingertips
Refers to the fingers or fingertips, often emphasizing dexterity or the tips themselves.
手先が器用な人は細かい作業が得意だ。
People with dexterous fingers are good at detailed work.
寒さで手先がかじかんだ。
My fingertips got numb from the cold.
noun
Used for a person who is manipulated by someone else, like a puppet or a subordinate carrying out orders without autonomy.
彼は上司の手先として動いているだけだ。
He's just acting as his boss's pawn.
スパイの手先になって情報を流した。
He became a tool for the spy and leaked information.