必須
Something that is absolutely necessary or required. It cannot be omitted or avoided.
例句
3 / 5パスポートは海外旅行に必須のアイテムだ。
A passport is an essential item for overseas travel.
この科目は卒業のために必須です。
This subject is mandatory for graduation.
必須アミノ酸を摂取する。
Consume essential amino acids.
词族
记忆技巧
Hi (inevitably) + Su (necessary) = Inevitably necessary.
快速测验
このアプリを使うには、会員登録が（ ）です。
正确！
正确答案是： 必須
例句
パスポートは海外旅行に必須のアイテムだ。
everydayA passport is an essential item for overseas travel.
この科目は卒業のために必須です。
formalThis subject is mandatory for graduation.
必須アミノ酸を摂取する。
academicConsume essential amino acids.
登録にはメールアドレスが必須となります。
businessAn email address is required for registration.
それは必須条件ではないけれど、あった方がいい。
informalIt's not a mandatory condition, but it's better to have it.
词族
常见搭配
常用短语
必須とされる
to be considered essential
必須ではない
not mandatory
〜が必須になる
...becomes a must
容易混淆的词
Hisshuu is specifically for school curriculum/courses; Hissu is general necessity.
使用说明
Commonly seen on web forms (required fields) and job descriptions.
常见错误
Sometimes written as 必すご (wrong kanji/okurigana).
记忆技巧
Hi (inevitably) + Su (necessary) = Inevitably necessary.
词源
Hi (always/without fail) and Su (to need).
语法模式
快速测验
このアプリを使うには、会員登録が（ ）です。
正确！
正确答案是： 必須
相关词汇
更多general词汇
延長
B1To make something last longer in time or space. It is often used for deadlines, stays, or lengths of time.
相談
B1The action of seeking advice or discussing a matter with someone to reach a decision or get help.
興味
B1The feeling of wanting to know or learn about something or someone; a quality that excites curiosity.
締切
B1The latest time or date by which something should be completed or submitted.
予備
B1Something kept in reserve for use if needed; a spare or backup.
柔軟
B2Capable of bending easily without breaking; in a social or mental context, it refers to being adaptable to new situations or changing circumstances.
選択肢
B2One of the things that can be chosen from a set of options or alternatives.
居住地
B2The place where someone lives or resides permanently or for a long time.
無駄
A1Refers to something that is wasteful, useless, or futile. It describes actions, efforts, or resources that do not produce a useful result or are unnecessary.
進歩
A1Progress or improvement, specifically describing a forward movement in skills, technology, or society. It refers to the process of becoming more advanced, effective, or better over time.
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