n. a sound/action that tells something to do something
signal *We waited for the green signal to walk.
n. the money you spend
expense *My expenses have bene high this month.
v. to risk money on result of game or business
bet *I bet on the horse to win.
v. to put two things together, to connect/join
attach *I attached a photo to the piece of paper.
noun. a cart/vehicle pulled by horse
carriage *Before cars, people rode on carriages.
v. to say bad things about someone or something
criticize *I criticized the students on their essays.
n. someone who fixes vehicles
mechanic *The mechanic fixed my car.
v. to travel to work/long distance to work
commute *My daily commute is 45 minutes./I commute to work for 45 minutes.
v. to make sure something is correct/right
confirm *Can you confirm your name and age for me, please?
adj. the main, most important
prime *The prime reason people get sick is because...
The mountain has a ________ of over 8,000 meters.
height (how tall something is)
v. to be not the same, to be different
differ *We are twins, but we differ in height.
adj. younger, less experienced
junior *These are the junior students.
adj. something that is common from the past
classic *My dad has many classic albums.
King Sejong _________ Hangeul, the Korean alphabet.
invented (to create something for the first time)
adj. done in an official way
formal *A wedding is a formal event.