equanimity

/ˌek.wəˈnɪm.ə.t̬i/

名词

（尤指处于震惊、失望或困境时的）镇静，沉着，冷静
He received the news of his mother's death with remarkable equanimity.
他接到母亲去世的噩耗时表现出惊人的自制力。