a brackish personality的用法和样例：
- With a stroke of his trident Poseidon caused a brackish spring to well up on a rock, 400 feet high, and previously altogether without water.
- The pools of salt water created by the Dec. 26 tsunami have been diluted by seasonal rains into a brackish water that mosquitos love.
- He has a highly volatile personality.
- That kind of person is anything but a Marxist.
- He is a very nice person to work with.