doubt [daut] vt.1. [后接宾语从句时，如主句为肯定句时用 if 或 whether 连接，如主句为否定句或疑问句时用 that 连接] 不信任，不相信，怀疑，疑惑：例句: I never doubted you; I was sure you would bring me the money.我从不怀疑你的，我肯定你会给我带来这笔钱的。I doubt whether (或 if) he will want to participate.我怀疑他是否愿意参加。2. [后接宾语从句时，如主句为肯定句时用if 或 whether 连接，如主句为否定句和疑问句时则用that 连接]不能肯定，拿不准，对…没准儿，对…吃不准：例句
doubt 1/ daut; da?t/ n[U, C] ~ (about/as to sth); ~ (as to) whether... (feeling of) uncertainty or disbelief 怀疑; 不确定; 不信任: There's some doubt about his suitability for
