神色镇定 meaning in English

be calm and collected; show composure and presence of mind

The train was very crowded and she had a hard time turning around to face the goat man , so the man remained very calm , unruffled , and wouldn ' t budge
车里的人很多，包子勉强转过身去，面对著西装笔挺的色鬼男，对方神色镇定，态度从容，动也不动。
Elizabeth s mind was now relieved from a very heavy weight ; and , after half an hour s quiet reflection in her own room , she was able to join the others with tolerable composure
伊丽莎白心里那块大石头这才算放了下来，在自己房间里待了半个钟头定了定心以后，便神色镇定地去和大家待在一起了。
Her face was falling loose , but her eyes were calm , and there was something strong in her that made it seem she was not old ; merely her wrinkles and loose cheeks were an anachronism
她的脸上的皮肉虽然松弛了，可是依然神色镇定，身上有种坚强的气质，所以她看上去不见老，只有皱纹和松弛的面颊显示出岁月的过失。