levelheaded
adj. 稳健的，头脑冷静的；明智的
例句
It takes the most levelheaded and good-tempered of drivers to resist the temptation to retaliate when subjected to uncivilized behavior.
只有头脑最冷静、脾气最好的司机，才能在遇到不文明行为时抵制报复的诱惑。
Remain calm and levelheaded.
保持冷静和明智。
A: I am knowledgeable and levelheaded.
我知识丰富、头脑冷静。
