1. 沉着的：imperturbability 沉着 | imperturbable 沉着的 | imperturbably 泰然地

2. imperturbable的意思

2. 冷静的,沉着的：imperial 帝王的,至尊的 | imperturbable 冷静的,沉着的 | implicit 含蓄的,不言而喻的

3. 沉着的, 镇静的：irascible 性情暴躁的 | imperturbable 沉着的, 镇静的 | withdrawn 离群的

4. 泰然自若的：imperturbability 自若 | imperturbable 泰然自若的 | imperturbablyreposefullysedatelyserenelytranquilly 平静地

1. 不易激动的;沉着的;冷静的
    If you describe someone as imperturbable, you mean that they remain calm, even in disturbing or dangerous situations.

    e.g. Thomas, of course, was cool and aloof and imperturbable.
           当然,托马斯沉着、冷漠,不易激动。

1. not easily perturbed or excited or upset
    marked by extreme calm and composure

    e.g. hitherto imperturbable, he now showed signs of alarm
           an imperturbable self-possession
           unflappable in a crisis

    Synonym: unflappable