It must have unsettled even such a phlegmatic character.这件事一定是把如此沉着的一个人也搅得心绪不宁了。

He was almost boringly phlegmatic, as unexcitable as a drugged sloth.他迟钝得近乎叫人厌烦, 麻木得像一只服了镇静药的树懒。