wéi/wèi 

(on the phone) Hello

电话

 diàn  huà  

telephone

在

zai

to be present

就

 jiù

precisely; exactly

     nín

you (more polite than 你)

哪

nǎ

which

位

wèi

polite measure word for people

时间

shí    jiān

time

上午

shànɡ wǔ

morning

下午

xià    wǔ

afternoon

以后

yǐ     hòu

from now on; later on

问题

wèn   tí

question; problem

开会

kāi    huì

to have a meeting

课

kè

class, course, lesson

节

jié

measure word for class periods

年级

nián   jí

grade in school

考试

kǎo   shì

to give or take a test; test

空(儿)

kònɡ(r)

free time

要是

yào  shi

if

方便

fānɡ biàn

convenient

dào

to go to;

to arrive

办公室

bàn  ɡōnɡ   shì

office

xínɡ

all right; O.K.

等

děnɡ

to wait

别

bié

don’t