necessary

Inflections of 'necessary' (n): npl: necessaries

主要翻译
英语		中文
necessary adj	(required, essential)	SCSimplified Chinese 必要的 bì yào de
		SCSimplified Chinese 必须的 bì yào de ，bì xū de TCTraditional Chinese 必須的
	It is necessary that you fill in this form first.
	你必须先把这张表填好。
necessary adj	(logically inevitable)	SCSimplified Chinese 必然发生的 bì rán fā shēng de
		SCSimplified Chinese 不可避免的 bì rán fā shēng de，bù kě bì miǎn de
	If you sell your house, it will be necessary to find somewhere else to live.
	如果你把房子卖了，就势必要另找住处。

其他翻译
英语		中文
necessary n	rare (necessity) (罕见用法)	SCSimplified Chinese 必需品 bì xū pǐn
	We have all the necessaries for the journey.
	我们有所有旅行要用的必需品。

复合形式：
英语		中文
as necessary adv	(according to what is needed)	SCSimplified Chinese 就所需 jiù suǒ xū
		SCSimplified Chinese 根据需要 jiù suǒ xū，gēn jù xū yào
	Apply the ointment to the wound as necessary.
do the necessary v expr	UK (do what needs to be done)	SCSimplified Chinese 行必要之事
if necessary adv	(if required, if needed)	SCSimplified Chinese 如果必要的话 rú guǒ bì yào de huà
	I'm ready to stay late if necessary.
it is necessary	(it is essential or required)	SCSimplified Chinese 这是必要的 zhè shì bì yào de
	I could buy tickets in advance, but I don't think it is necessary.
it is necessary to	(it is required or essential for one to)	SCSimplified Chinese 做…是必要的 zuò shì bì yào de
	It is necessary to buy your tickets in advance.
necessary condition n	(prerequisite)	SCSimplified Chinese 必要条件 bì yào tiáo jiàn TCTraditional Chinese 必要條件
	The presence of oxygen is a necessary condition to support human life.
necessary evil n	(something bad but unavoidable)	SCSimplified Chinese 必要之恶
only when necessary adv	(strictly as required)	SCSimplified Chinese 只在必要时 zhī zài bì yào shí
	You must take the pain killers only when necessary.

Collins Chinese Dictionary Plus (3rd edition), 2011:

necessary [ˈnɛsɪsrɪ] adj

(=required)
[+ skill, quality, item] 必要的 bìyào de

(=inevitable)
[+ consequence, connection] 必然的 bìrán de

if/when/where necessary
如有必要/必要时(時)/在必要处(處) rú yǒu bìyào/bìyào shí/zài bìyào chù
I don't want to stay longer than necessary
我不想呆得太久 wǒ bù xiǎng dāi de tài jiǔ
it may be necessary (for us) to buy a new cooker
(我们(們))可能应(應)该(該)买(買)一个(個)新的炊具 (wǒmen) kěnéng yīnggāi mǎi yī gè xīn de chuījù

在这些条目还发现'necessary'：

在英文解释里：

中文：

习惯性搭配： [common, shared, public, basic, fundamental] necessaries, is [never, not always] necessary, necessaries like [food, water, shelter], 更多……

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