必需 bìxū to need
to need; to require; essential; indispensable
怎么记住“必需”: 必 must + 需 require = to need.
汉字
用法
- Indispensable, cannot be done without - 生活必需品 (shēnghuó bìxūpǐn) daily necessities; 水是必需的 (shuǐ shì bìxū de) water is essential.
- Homophone trap: 必需 (bìxū, essential things you must have) vs 必须 (bìxū, must - an adverb before a verb: 必须去 must go). 必需 attaches to things/nouns; 必须 attaches to actions.
- Contrast with 必要 (necessary/worthwhile): 必需 is stronger - a hard requirement.
例句
- 你必需马上去那儿。 Nǐ bìxū mǎshàng qù nàér.It is necessary for you to go there immediately.
- 耐心对一个教师来说是必需的。 Nàixīn duì yígè jiàoshī láishuō shì bìxū de.Patience is essential for a teacher.
- 要住在郊区的话，汽车是必需的。 Yào zhù zài jiāoqū dehuà, qìchē shì bìxū de.A car is a must for life in the suburbs.