1. Work out

Meaning:
To solve a problem by thinking about it
Example:
“I spent a whole hour looking at my math homework before I finally worked out how to do it.”

2. Shut up

3.Frown upon

Meaning:
When talking about unacceptable behavior
Example:
“You shouldn’t play ball games in other peoples’ houses. That kind of behavior is really frowned upon.”

4. Keep going

Meaning:
To continue to do a difficult thing
Example:
I know this mountain is very steep, but we can’t turn around now. We have to keep going until we reach the top.”

5. Open up

Meaning:
To become more talkative
Example:
“I remember the first few times Joseph came to class he didn’t say a word, but recently he’s really opened up.”