He was inappreciative of her efforts.他未能封她的努力作出正确的评价....

inappreciative的音标：inappreciative的英式发音音标为：[ˌɪnə'pri:ʃɪeɪtɪv]inappreciative的美式发音音标为：[ˌɪnə'priʃɪˌeɪtɪv]...

adj.不欣赏的，不正确评价的...