If someone tells you not to let the cat out of the bag, they mean that you should be careful to examine something properly before deciding to buy it.
举一反三
- You should read this manual ( careful ) before you start to use the device.
- If you are worried the problem, you should do something about it.
- It’s a top secret, so whatever you do, just don’t . A: teach fish to swim B: run with the hare and hunt with the hounds C: let the cat out of the bag D: count your chickens before they’re hatched
- If you yell _______ someone, you should apologize. A: at B: out C: of D: under
- If you really like what you bought, you should leave a ________ to encourage other people to buy it.