1、instantly

瞬息;顷刻;刹那

For an instant, Catherine was tempted to flee.

有那么一会儿,凯瑟琳很想逃跑。

The pain disappeared in an instant.

疼痛立刻就消失了。

(某一)时刻

At that instant the museum was plunged into total darkness.

就在那时,博物馆陷入了一片漆黑。

In the same instant he flung open the car door.

与此同时,他猛地推开了车门。

立即的;即刻的

Mr Porter's book was an instant hit.

波特先生的书一经推出便大受欢迎。

He had taken an instant dislike to Mortlake.

他一到莫特莱克就觉得不喜欢这个地方。

2、come down

(成本、水平或数量)下降，降低

Interest rates should come down.

利率应该降低。

If you buy three bottles, the bottle price comes down to 2.42 pounds.

如果买3瓶，价格会便宜一些，每瓶2.42英镑。

落下;降落

The cold rain came down.

下起了冰冷的雨。

The curtain came down after the first act.

第一幕过后，幕布落了下来。