HSK 6 HSK V7-9
Correct

务必

/ wùbì / 
Strokes

Definition

must/to need to/to be sure to

Example

As an Adverb
must; be sure to
1
Wùbì
务必
zhǔnshí
准时
dàochǎng
到场
  
。

Be sure to be present on time.

2
Wùbì
务必
zài
在
xīngqīwǔ
星期五
zhīqián
之前
wánchéng
完成
rènwu
任务
  
。

You are to fulfil the task by Friday.

3
Wùbì
务必
jùshí
据实
xiāng
相
gào
告
  
。

Be sure to tell me what really happened.

4
Cǐshì
此事
nǐ
你
wùbì
务必
bāngmáng
帮忙
  
。

You must help us with it.

5
Wùbì
务必
ànshí
按时
guīlái
归来
  
。

Be sure to come back on time. / It is obligatory (for you) to come back on time.