a blackboard, especially a green or other light-colored one
The teacher wrote our homework assignment on the chalkboard at the end of the class.
coach
somebody who trains sports players
Tiger Woods’ dad used to be his coach.
dictionary
a book in which lists words in ALPHABETICAL order and gives their meaning in the same or another language
I spent the day looking up words in the dictionary.
fail
(followed by "to + verb") not to do or provide something that is needed
He failed all of his classes because he missed school a lot.
hallway
복도
If you walk down the hallway, my room is the one at the end.
laboratory
a place where scientific experiments are carried on
This university has a good laboratory.
scissors
instrument for cutting something
You should use the scissors to cut the paperbag.
tease
To tease someone means to laugh at or make fun of them.
After our session was over, he teased me saying, "Wow, you look like you’re 11."