even keel

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释义
平和的，情绪稳定的
Calm and stable； The state or characteristic of being under control and balanced.

例句
Karl:So that Mike, he seems pretty even-keeled.
Susan: Yeah. He's a great guy.（Desperate Housewives)
卡尔：那个迈克，他看上去很平和。
苏三：是，他很好。（绝望主妇）