Correct
得 vs 必须
/ děi vs bìxū /
Strokes
Formula
1
非 + 得
2
必须 + 得
Definition
得 vs 必须 both are Auxilliary Verbs, which means [must; have to; be bound to].
Example
得 vs 必须 both means "must; have to"; 得 is very colloquial, while 必须 is more literary and forceful.
In such sentences the two words are interchangeable, but they are of different styles. 必须 carries a commanding tone。
1
Nǐ
你
fàshāo
发烧
le
了
,
de
得
(
bìxū
必须
)
qù
去
yīyuàn
医院
。
You have to go to hospital for you have got a fever.
2
Wǒ
我
děi
得
(
bìxū
必须
)
nǔlì
努力
xuéxí
学习
。
I had to work hard.
3
Zhège
这个
rènwu
任务
nǐmen
你们
bìxū
必须
zài
在
liǎng
两
gè
个
yuè
月
nèi
内
wánchéng
完成
。
You must finish the job in two months.
In very colloquial and casual speech, 得 is used more often than 必须 (especially in North China).
4
Wǒ
我
kǒukě
口渴
,
wǒ
我
děi
得
qù
去
hē
喝
kǒushuǐ
口水
。
I am thirsty,and I must go to have a drink.
5
Zhè
这
shì
事
wǒ
我
děi
得
zài
再
xiǎngxiǎng
想想
。
I'd like to think about it again.
得 vs 必须 both means "to need", and are followed by a numeral-classifier or such a compound plus a noun as the object.
6
Zhuāngxiū
装修
zhè
这
tào
套
fángzǐ
房子
,
de
得
(
bìxū
必须
)
jīwàn
几万
kuài
块
。
The decoration of the house will cost you at least thousands of Yuan.
7
Zhè
这
xiàng
项
rènwu
任务
de
得
(
bìxū
必须
)
sān
三
tiān
天
shíjiān
时间
cái
才
néng
能
wánchéng
完成
。
The task must be finished in three days.
得 can also indicate "asurmise" and be preceded by 非, 必须 cannot be so used.
非 + 得
必须 + 得
8
Nǐ
你
zhème
这么
bù
不
yònggōng
用功
,
de
得
ná
拿
0
0
fēn
分
!
You are likely to get zero mark if you are not industrious.
9
Zhège
这个
qiúyuán
球员
,
de
得
chī
吃
hóngpái
红牌
。
The player is likely to get the red ticket.
10
Zhème
这么
ài
爱
chī
吃
tiánshí
甜食
,
tā
她
jiānglái
将来
fēiděi
非得
fāpàng
发胖
!
She is likely to be fat in the future if she takes so much sweet food.
The negative form of the two words is unusual. The negative form of 得 is 不用, 用不着; that of 必须 is 无须, 不须, 不必.
11
Zhuāngxiū
装修
zhè
这
tào
套
fángzǐ
房子
yòngbuzháo
用不着
3wàn
3万
yuán
元
。
The decoration of the house will cost less than 30,000 yuan.
12
Zhè
这
xiàng
项
rènwu
任务
bù
不
xū
须
3
3
tiān
天
shíjiān
时间
jiù
就
néng
能
wánchéng
完成
。
It takes less than 3 days to finish the task.