look down俯视；向下看；用目光慑服某人；看跌 后跟宾语时要加相应的介词。

如：

She blushed and looked down at the floor .

她脸一红随即低下头看着地板。

Don't look down upon him, he's no mug .

不要小看他，他不是个笨蛋。

She looked down over the brow of the hill .