obnubilate

The fog began to obnubilate the distant mountains.

用法提示：此处“obnubilate”作及物动词，意为“遮蔽”，宾语为“the distant mountains”。

Wearing those old glasses will obnubilate your vision.

用法提示：此处“obnubilate”表示“使模糊”，主语为物，宾语为“your vision”。

The complicated explanation only obnubilated the students' understanding.

用法提示：此处为过去式“obnubilated”，表示“使……模糊不清”，宾语为“the students' understanding”。