study hard = to study = học hành chăm chỉ, cần mẫn
I can't go out tonight. I need to hit the books.
I will sit the final test next week. That's why I have been hitting the books all day long.
to delay making a decision = trung lập, không đứng về phe nào
You can't sit on the fence any longer - you have to decide whose side you're on.
When people are arguing about the education system, I prefer to sit on the fence.
(C2) miss an opportunity = to lose an opportunity to do something by being slow to act = lỡ mất cơ hội
I sent my application in late and I think I missed the boat.
There were tickets available last week, but he missed the boat by waiting till today to try to buy some.
to make more effort than is expected of you = làm quá mức bình thường
She is the greatest teacher I've ever known. She is always willing to go the extra mile for her students.
To be successful, you need to be willing to go the extra milee for your customers.
not like the change in your life = không muốn/thích thay đổi
They're very set in their ways - they always eat dinner exactly at 6:00.
My parents are quite traditional and set in their ways.
Bố mẹ tôi khá truyền thống và không muốn thay đổi.