nouns
verbs
people
time
grammar
100

世界

world

100

to choose

100

同学

classmate/peer

100

每天

every day

100

对...来说

in the view of...

200

经济

economics

200

讨论

to discuss

200

父母

parents (father-mother)

200

以前

before

200

跟...打交道

to deal with...

300

文章

essay, article

300

挣钱

to make money

300

其它...

other...

300

整天

all day

300

要么...要么...

either... or...

400

数字

number(s)

400

决定

to decide

400

教授

professor

400

毕业以后

after graduation

400

另外

additionally (with 还); the other (with number)

500

意见

opinion

500

受不了

to be unable to bear

500

李哲

Lǐ Zhé

500

将来

future

500

这样

in this way (can also mean "like this")