imperturbability

n. 沉着, 冷静

例句与用法：

Characterized by offensive boldness; insolent or impertinent.

轻率的，不慎的以无礼为特征的; 侮慢的或粗鲁的

I've had enough of your impertinent words.

你说话太不礼貌了，我已受够了。

His remarks were impertinent.

他说话语言粗鲁。

词形变化：

副词: impertinently |

详细释义：

n.

沉着; 冷静