Without a doubt...
毫无疑问······

用法透视
该句表示确信，也可以说"beyond doubt" "no doubt" 。

支持范例
1. Without a doubt these theories were all wrong.
毫无疑问这些理论是完全错误的。
2. No doubt I learned a lot from him.
无疑地，我从他身上学到了很多。
3. They convinced me that Harry was, beyond the possibility of doubt, innocent.
他们使我确信哈利毫无疑问是清白的。

会话记忆
A: Who is your favorite music composer?
你最喜欢哪位音乐家？
B: I don't have one single favorite, but these days I listen to a lot of Chopin.
我没有最喜欢的一个，但最近我听了不少肖邦。
A: Then you must despise such modern music as rock?
那你一定看不起诸如摇滚一类的现代音乐了？
B: Without doubt, rock is trash.
毫无疑问，摇滚乐是糟粕。