His articulation is not plain enough to understand.

他的发音不清楚，不易听懂。

youdao

The life is not plain sailing . It's full of frustrations and sinuations .

人生并不是一帆风顺的，它充满了坎坷和曲折。

youdao

When I saw that Yammer had won, I thought "I must have been mistaken, it is not plain pasta".

看到Yammer获选之后，我那时想“我肯定搞错了，它不是普通面条。”

youdao

However it is not plain what these disparate examples have in common.

ECONOMIST: Goldilocks politics | The

James Janaway, who farms arable land in the Czech Republic and Romania as well as Hampshire, explains that farming in Eastern Europe is not plain sailing for Britons.

ECONOMIST: Farming

But it is not the plain-talking Bush we know so well.

WSJ: A Sourpuss? Moi?