doubt [daut]
n. 怀疑；疑问；疑惑
v. 怀疑；不信；恐怕；拿不准
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：
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：
I doubt whether (或 if) he'll change his mind.
我拿不准他是否会改变主意.
I wouldn't doubt that he'd want to help.
我肯定他愿意帮忙.
3. [后接宾语从句时,用that连接]认为…未必可能：
I doubt that he was invited.
我看他未必受到了邀请.
I don't doubt that she'll come
我肯定她会来的.
4. [主苏格兰英语]猜想,恐怕：
I doubt I'm wrong.
恐怕我错了.
5. [古语]担心；害怕,怕
vi.
1. 怀疑；疑心；不能肯定,拿不准(about,of)：
There is no reason to doubt of his honesty.
没有理由怀疑他的诚实.
2. 迟疑；踌躇；犹豫不决
n.
1. (对事物的本质或真实性的)怀疑,疑惑,疑问；不确定；靠不住
2. 疑虑；迟疑；犹豫不决,举棋不定,拿不准
3. 缺乏自信；不信任；(倾向于)不(相)信；不信的感觉
4. [常用复数]怀疑
5. 难点；疑难(事)、(事物的)可疑(性)；悬而未决的问题；困难
6. 【哲学】怀疑法
7. [废语]疑惧,恐惧,害怕,担心
近义词:
uncertainty .
doubt [daut]
n.
1. the state of being unsure of something
2. uncertainty about the truth or factuality of existence of something
v.
1. consider unlikely or have doubts about
I doubt that she will accept his proposal of marriage
2. lack confidence in or have doubts about
I doubt these reports
