underwhelmed ---------- 无动于衷的（形容词，非正式）

英文释义
(adjective, INFORMAL) Unimpressed. (NOTE: opposite of the more common, standard adjective “overwhelmed”）

例句
Despite all the publicity promoting the new movie I saw last night, I was quite underwhelmed, and left the theater disappointed.
尽管我昨晚看的那部新片做了很多宣传，但我还是感觉索然无味，失望地离开了电影院。