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必需

bìxū

essential

Usage note

必需表示一定需要。

bì xū biǎo shì yí dìng xū yào。

必需 means absolutely necessary or must-have.

Context note

必需常用于物品、条件和准备。

bì xū cháng yòng yú wù pǐn 、 tiáo jiàn hé zhǔn bèi。

It is often used for items, conditions, and preparation.

5 examples

水是必需的。
shuǐ shì bì xū de。
Water is necessary.
这是学习的必需条件。
zhè shì xué xí de bì xū tiáo jiàn。
This is a necessary condition for learning.
安全是必需的。
ān quán shì bì xū de。
Safety is necessary.
带上必需物品。
dài shàng bì xū wù pǐn。
Bring the necessary items.
这不是必需的。
zhè bú shì bì xū de。
This is not necessary.

5 mini stories

冬天里,保暖衣服是必需的。
dōng tiān lǐ, bǎo nuǎn yī fu shì bì xū de。
In winter, warm clothes are necessary.
老师说准备文具是必需的。
lǎo shī shuō zhǔn bèi wén jù shì bì xū de。
The teacher said preparing stationery is necessary.
健康的生活少不了必需的休息。
jiàn kāng de shēng huó shǎo bù liǎo bì xū de xiū xi。
A healthy life cannot do without necessary rest.
这些东西都是必需品。
zhè xiē dōng xī dōu shì bì xū pǐn。
These things are all necessities.
他买了旅行必需的东西。
tā mǎi le lǚ xíng bì xū de dōng xī。
He bought the necessary things for the trip.

Mini dialogue

准备书包

A
明天上学,我要带什么?
Míngtiān shàngxué, wǒ yào dài shénme?
What should I bring for school tomorrow?
B
课本和铅笔是必需的。
Kèběn hé qiānbǐ shì bìxū de.
Textbooks and pencils are essential.

喝水

A
运动后我很渴。
Yùndòng hòu wǒ hěn kě.
I'm very thirsty after exercise.
B
水是必需的,快喝吧。
Shuǐ shì bìxū de, kuài hē ba.
Water is essential, drink up.

Related words and contrasts

similar
需要
xūyào
to need

A common verb for 'need'. '必需' is more formal and often used as an adjective.

similar
必备
bìbèi
must-have, essential item

Often used for things you must prepare or have, like '必备品' (essentials).

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