Which sentence means that you have so much work to do that you are having difficulty dealing with it all?

I'm snowed under with work at the moment.

Which word means the study of the position of the sun, moon, planets and stars, in order to predict events and people's personalities.

A: What do you think about GMO crops?
B: I'm on the fence.

What does on the fence mean?

It means you think GMO crops are a bad idea.

Which is the correct way to say you are losing/earning money on your investment?

Which one is a period of unusually hot weather that lasts for more than 2 days?

Why do people say "Fingers crossed" or "touch wood"?