1. 镇定：2. 动词 calm; tranquil; at ease | 镇定 : calm; cool; composed; unruffled | 3. 动词 guard; garrison

2. 安静的：unruffle 安慰 | unruffled 安静的 | unruled 失控

3. 不骚动的：unruffled 不混乱的 | unruffled 不骚动的 | unruliness 难驾驽

4. unruffled的意思

4. 不混乱的：unrounded 非圆唇的 | unruffled 不混乱的 | unruffled 不骚动的

1. 沉着的；处乱不惊的
    If you describe someone as unruffled, you mean that they are calm and do not seem to be affected by surprising or frightening events.

    e.g. Anne had remained unruffled, very cool and controlled.
           安妮处乱不惊，十分冷静沉着。