also: さわん
left arm
Refers literally to the left arm. Also used figuratively for a trusted assistant, similar to 'right-hand man' but for the left side.
See also: 右腕
He broke his left arm.
She is active as the president's right-hand person.
left-handed pitcher
Only with reading さわん
Baseball term for a left-handed pitcher. Used with the rare reading さわん.
That team has an excellent left-handed pitcher.
He broke his left arm while skiing.
He is playing an active role as the Giants' left-handed pitcher.
She works as the president's trusted right-hand person.
The manager started a left-handed pitcher in today's game.