必備

必备
bìbèi
essential

CEDICT

  1. (chiefly attributive) to be definitely required; to be essential; to be compulsory
  2. to be definitely required; to be essential; to be compulsory

Wiktionary

一定需要。

重編國語辭典

Examples

熱水袋真是冬日必備好物！

A hot water bottle is something you must buy to prepare for the winter months.

Source: Tatoeba

Entry Composition

1 必 bì
  1. certainly
  2. must
  3. will
  4. necessarily
2 備 bèi
  1. (bound form) to prepare; to equip
  2. (literary) fully; completely

Related entries

切要 qièyào
  1. essential
  2. extremely important
必要 bìyào
  1. necessary
  2. essential
  3. indispensable
  4. required
沒必要擔心。

There's no reason to be alarmed.

Source: Tatoeba

必需品 bìxūpǐn
  1. necessity
  2. essential (thing)
要點 yàodiǎn
  1. main point
  2. essential
你要点菜吗？

Would you like to order?

Source: Tatoeba

必不可少 bìbùkěshǎo
  1. absolutely necessary
  2. indispensable
  3. essential
汤姆是必不可少的。

Tom is indispensable.

Source: Tatoeba

必需 bìxū
  1. to need
  2. to require
  3. essential
  4. indispensable
你必需马上去那儿。

It is necessary for you to go there immediately.

Source: Tatoeba

至關重要 zhìguānzhòngyào
  1. extremely important
  2. vital
  3. crucial
  4. essential
摩天大厦里的电梯是至关重要的。

The elevators in a skyscraper are vital systems.

Source: Tatoeba