这杯茶泡得太淡了，几乎尝不出味道。

The tea is so ___watery that you can hardly taste its flavor.

他的演讲含糊不清，观众很快就失去了兴趣。

His speech was so ___vague that the audience quickly lost interest.

这件T恤洗了很多次后，颜色变得很淡了。

The color of this T-shirt turned ___washy after many washes.