她的表达方式太含糊。

Tā de biǎodá fāngshì tài hánhú.

Her way of expression is too vague.

他的回答很含糊不清。

Tā de huídá hěn hánhú bù qīng.

His answer is very vague.

这份报告写得太含糊。

Zhè fèn bàogào xiě de tài hánhú.

This report is written too vaguely.