【俚语】

On top of that 除此之外
Additionally 除此之外
furthermore 除此之外

【例句】

The unemployment rate is rising, and on top of that, factory orders are down.
失业率正在上升，除此之外，工厂订单也在减少。

Top n. 顶部

【例句】

There are many trees at the top of the mountain.
山顶上有许多树。

Top n. 上衣

【例句】

I need a top to go with these trousers.
我需要一件上衣配这条裤子。

Over the top 太过分

【例句】

I think the decorations are a little over the top.
我觉得这些装饰有点过头了。

At the top of one's lungs
扯破喉咙地；非常大声地

【例句】

Sing at the top of your lungs so that the people in the last row can hear you!
大声唱，这样的话最后一排的人就能听到你了。