Meanings
How to pronounce "speak for oneself":
AU
Used other than figuratively or idiomatically: see speak, for. To provide an opinion only on one's own behalf.
Example: "I'm here speaking for myself, not for my company."
Expressing disagreement with an opinion expressed by another.
Example: "That idea makes no sense at all. – Speak for yourself! I think it's a great idea."
To have obvious implications; to require no explanation.
Example: "His fantastic record as a manager speaks for itself."
Example: "His actions speak for themselves."