Definition: it is certain Level: B1
毫无疑问他是一个好球员。
___There ___is ___no ___doubt he's a good player.
然而，毫无疑问它是一个不错的东西。
However, ___there ___is ___no ___doubt that it is a nice one.
毫无疑问她会成功。
___There's ___no ___doubt she'll succeed.
