及物动词
1. I doubt what he said.
我不相信他说的话。
2. I doubt that he'll come.
我不相信他会来。
3. I doubt that he will come.
我看他不见得会来。
不及物动词
1.
1. I do not doubt of your success.
我不怀疑你会成功。
名词
1. doubt什么意思
1. The outcome of the election remains in doubt.
选举的结果仍然不能肯定。
2. doubt在线翻译
2. There is no doubt that he is guilty.
毫无疑问，他是有罪的。