She was really quite perturbed at the prospect.她对前景十分担心。I am deeply perturbed by the alarming way the situation developing.我对形势令人忧虑的发展深感不安.Mother was much perturbed by my illness.母亲为我的病甚感烦恼不安....

perturb的近义词有：upset, agitate, disturb, perturb。下面这些动词均有"使不安，使心烦意乱"的含义：upset：最普通，最通俗用词，侧重失去精神上的平静，心理上完全丧失平衡。agitate：侧重指内心的焦虑，难于控制，表露于外。disturb：指因某人的行动、扰乱、妨碍安静等而使人不得安宁。perturb：书面语用词，指使人焦急烦恼，扰得心情不安。...

n.忧虑，不安，烦恼，摄动...

v.使（某人）烦恼，不安( perturb的现在分词 )...

adj.不易兴奋的，不易激动的，沉着的，镇静的...

imperturbability的音标：imperturbability的英式发音音标为：[ˌɪmpəˌtɜ:bə'bɪlətɪ]imperturbability的美式发音音标为：[ˌɪmpəˌtɜbə'bɪlətɪ]...