不慌张 meaning in English

unflappability

Neither impatient , nor troubled , he lay awaiting what was before him
他不着急不慌张地等待他正面临的时限。
Tim never panics ; he just takes a matter - of ? fact approach to each problem as it arises
蒂姆总不慌张，他碰到每一个问题都是想个切合实际的方法来加以解决。
All eyes met her with a glance of eager curiosity , and she met all eyes with one of rebuff and coldness ; she looked neither flurried nor merry : she walked stiffly to her seat , and took it in silence
众人都带着急切好奇的目光迎着她，她报之以冷漠的眼神，看上去既不慌张也不愉快，扳着面孔走向自己的座位，默默地坐了下来。
The road became narrower and narrower so i decided to stop the taxi after explaining to them the difficulty in continuing . there was total silence , then the person sitting in front signaled several times to the others in the back seat . one man from the back stepped out and came to my side
路越来越窄，我不准备再往前走，我说明理由之后将车停下来，这时车中一片沈寂，前座的人打暗号给后面的人，喊了好几声，后排的人便下来到我座位旁，抽出刀子抵住我的右胸，车上其馀的人也拿出刀来威胁，也许是师父的加持，我竟然一点也不慌张，拿出钱给他们，四人犹豫一阵子后决定放我走。