continuous
a.连续的（一直不中断的）
We've had continuous rain here for nearly a week.
我们这儿已连续下了将近一个礼拜的雨。
continuously
adv.持续不断地
Jack drove continuously for 4 hours without a break. =Jack drove for 4 consecutive hours without a break.=Jack drove 4 hours in a row without a break.
杰克已经连续开了4小时的车都没有休息。
continual
a.持续的（偶有闲歇的），频频的
We were annoyed by the sound of that old man's continual coughing.
那个老头不断的咳嗽令我们烦死了。
continually
adv.不断地
Many parents argue continually about how to teach their children.
许多父母为如何管教小孩争执不停。
plot
n.阴谋；（故事的）情节 vt. vi.图谋
The terrorists' plot was uncovered in time.
恐怖分子的阴谋及时被揭发。
The characters in the movie were good but the plot was terrible.
电影中的角色不错，但是剧本却很烂。
The rebels plotted to overthrow their cruel ruler.
叛军图谋推翻残暴的统治者。
tough
a.坚韧的；严厉的；艰苦的，困难的
This meat is too tough, Mom. I think you overcooked it.
妈，这块肉好硬。我想你把它煮得太老了。
Tom is tough on his son because he thinks the kid is a little too naughty.
汤姆对他儿子很严厉，因为他觉得这小子有点太顽皮。
Compared to last month's test, this one wasn't too tough.=In comparison with last month's test, this one wasn't too difficult.
跟上个月的考试比起来，这次的考试不算太难。
consume
vt.消费；折磨，煎熬
Our bodies consume more energy in winter.
我们身体在冬天会消耗更多的能量。
Helen was consumed by her husband's sudden death.
丈夫的突然过世令海伦受尽煎熬。
consumer
n.消费者
Finding out what the consumer really needs is the first step in marketing.
行销的第一步就是要发现消费者真正的需求。
crack
vi.破裂 vt.解开（密码） n.裂缝
Most of the eggs Jane bought cracked when she dropped her basket.
阿珍买的蛋在她的篮子掉到地上时大部分都破了。
After hours of trial and error, Ted cracked the code.
经过好几个小时的尝试与失败后，泰迪终于解开密码了。
Dad won't allow me to go skating today because of the dangerous cracks in the ice.
老爸今天不让我去溜冰，因为冰上有危险的裂缝。
Police are cracking down hard on drug trafficking.
警方现在正大力扫荡毒品交易。
invest
vt. vi.投资
John made a fortune by investing a large amount of money in the stock market.
约翰将大笔的钱投入股市，赚了一大笔钱。
Paul invested heavily in the property market in recent years.
近几年来保罗投资了很多钱在房市。