retain selfcommand and an unruffled spirit 從容不迫;泰然自若;忍住怒氣
To keep one's temper is not a sign of weakness,but an insication of selfpossession and strength. 不發脾氣並非表示軟弱,而是說明自制和堅強。
He was insulted,but he managed to keep his temper. 他受了侮辱,但他設法忍住了怒氣。
I was so annoyed with him that I found it difficult to keep my temper. 我對他非常氣憤,很難不發脾氣。