/bɪˈlaɪ ||; bɪˈlaɪ/verb [T] (present participle belying third person singular present belies;past tense past participle belied) (formal 正式) to give an idea of sth that is false or not true 掩饰；给人假象: His smiling face belied his true feelings. 他的笑脸掩饰了他的真实感受。