英[ʌnɪn\'θjʊzɪ\'æstɪk]
美[ʌnɪn\'θjʊzɪ\'æstɪk]
Susan was unenthusiastic about most of her relatives.
苏珊封大多数亲戚漠不关心.
互联网
Her suggestion received a rather unenthusiastic welcome.
她的建议受到冷遇.
互联网
"an unenthusiastic performance by the orchestra"
"unenthusiastic applause"