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.