phlegmatic

即使在压力之下，她依然保持着冷静平和的态度。

Even under pressure, she maintained a ___phlegmatic and peaceful attitude.

他对这项激动人心的计划表现得很冷淡。

His ___phlegmatic attitude towards the exciting plan was noticeable.

当火警尖啸、乘客们尖叫着抱起孩子时，那位冷静沉着的保安不慌不忙地指引每个家庭走向最近的出口。

While passengers screamed and grabbed their children as the fire alarm blared, the ___phlegmatic security guard calmly pointed each family toward the nearest exit.