It's not safe to push. Let's walk slowly.
Sorry. I stepped on your foot.
Look at the thick crowd there.
No, I won't.
Be careful! Don't push in the crowd.
OK, let's be careful.
safety push thick crowd
Today is Children's Day. I go to Disneyland on May Day with my parents. There is a there.
Mum: Watch out for your .
Dad: It's not safe to in the crowd.