Correct
必然 vs 必定
/ bìrán vs bìdìng /
Strokes
Definition
必然 as an Adjective, 必定 as an Adverb, both 必然 and 必定 mean "definite", but 必然 stresses certainty in argument, while 必定 stresses "the certainty in one's subjective mind".
Example
必然 and 必定 have different syntactical functions. 必然 can be used as different sentence elements, while 必定 can only function as an adverbial. The two words are interchangeable sometimes.
The sentences where the two words are interchangeable are limited to more formal sentences or sentences concerning abstract things.
1
Chuàngyè
创业
bìrán
必然
(
bìdìng
必定
)
yào
要
mào
冒
fēngxiǎn
风险
。
Launching a career is very likely to take risks.
2
Shènglì
胜利
bìrán
必然
(
bìdìng
必定
)
shǔyú
属于
yìzhì
意志
jiānqiáng
坚强
de
的
rén
人
。
Success definitely belongs to those with strong will.
必然 can function as the subject or object of a sentence (indicating the objective law independent of man's will).
3
Xīn
新
shìwù
事物
dàitì
代替
jiù
旧
shìwù
事物
,
zhè
这
shì
是
shèhuì
社会
fāzhǎn
发展
de
的
bìrán
必然
。
It is an objective law of social development that new things will take the place of the old ones.
4
Kèguān
客观
de
的
bìrán
必然
,
shì
是
bù
不
yǐ
以
rén
人
de
的
yìzhì
意志
wéi
为
zhuǎnyí
转移
de
的
。
The objective certainty is independent of man's will.
必然 can also function as attributive and predicated with 是……的.
5
Rén
人
yào
要
shuāilǎo
衰老
、
sǐwáng
死亡
,
zhè
这
shì
是
bìrán
必然
de
的
guīlǜ
规律
。
It is natural that man will get old and die. (attributive)
6
Bù
不
jìnbù
进步
jiù
就
huì
会
luòhòu
落后
,
zhè
这
shì
是
bìrán
必然
de
的
。
It is certain that if you do not make progress,you will fall behind. (predicate)
必定 indicates judgment or resolute will. 必然 cannot be used here.
7
Tiānbiān
天边
wūyún
乌云
Gǔngǔn
滚滚
,
dāi
呆
huìr
会儿
bìdìng
必定
huì
会
xiàyǔ
下雨
。
The dark clouds billows across the sky,and surely it is going to rain soon.
8
Yī
一
nián
年
yǐnèi
以内
,
wǒ
我
bìdìng
必定
lái
来
qǔ
娶
nǐ
你
。
I will marry you within a year.