1. cop 巡警，警官

The cop showed me his badge.

MEANING: policeman

2. couch potato 懒人

He is a couch potato.

MEANING: lazy person

3. crack open a bottle 打开

Let's crack open a bottle for his birthday.

MEANING: open

4. cram 死记硬背的学习

I need more time to cram for the test.

MEANING: study hard

5. cream 击败

Our team creamed them badly.

MEANING: beat