随時
The term '随時' (zuiji) means 'at any time,' 'as needed,' or 'whenever necessary.' It indicates that an action is not restricted by a fixed schedule but happens flexibly according to the situation or demand.
Exemples
3 sur 5質問があれば、随時受け付けます。
If you have questions, we will accept them at any time.
最新情報はホームページにて随時更新いたします。
The latest information will be updated on our website as needed.
分からなかったら、随時聞いてね。
If you don't understand, just ask me whenever.
Famille de mots
Astuce mémo
Think of the kanji: 随 (follow) + 時 (time). It means 'following the timing'—acting whenever the time is right or required.
Quiz rapide
この資料の内容は、新しい情報が入り次第（ ）更新されます。
Correct !
La bonne réponse est : 随時
Exemples
質問があれば、随時受け付けます。
everydayIf you have questions, we will accept them at any time.
最新情報はホームページにて随時更新いたします。
formalThe latest information will be updated on our website as needed.
分からなかったら、随時聞いてね。
informalIf you don't understand, just ask me whenever.
本研究のデータは、新しい知見が得られ次第、随時修正されるべきである。
academicThe data in this study should be revised at any time as new findings are obtained.
プロジェクトの進捗状況を随時報告してください。
businessPlease report the progress of the project as necessary.
Famille de mots
Collocations courantes
Phrases Courantes
随時受け付ける
to accept (applications/questions) at any time
随時発送する
to ship as items become available
随時見直す
to review from time to time/as necessary
Souvent confondu avec
適宜 (tekigi) emphasizes doing something 'as appropriate' or 'suitably,' whereas 随時 (zuiji) emphasizes the 'timing' being anytime.
逐次 (chikuji) means 'one by one' or 'sequentially,' whereas 随時 focus on flexibility of time.
Notes d'usage
It is highly common in professional and administrative contexts to signal that there is no strict deadline or fixed periodic schedule. It functions as both a noun and an adverb.
Erreurs courantes
Learners often use 'いつも' (always) when they mean 'at any time.' 'いつも' implies a continuous state, while '随時' implies specific instances occurring whenever needed.
Astuce mémo
Think of the kanji: 随 (follow) + 時 (time). It means 'following the timing'—acting whenever the time is right or required.
Origine du mot
Derived from Middle Chinese, where '随' means to follow or comply with, and '時' means time or occasion.
Modèles grammaticaux
Contexte culturel
In Japan, '随時' is frequently seen on business signs or websites to indicate that services like consultations or recruitment are open year-round rather than in a single seasonal block.
Quiz rapide
この資料の内容は、新しい情報が入り次第（ ）更新されます。
Correct !
La bonne réponse est : 随時
Vocabulaire associé
Mots lis
協力
A1Cooperation or collaboration where two or more people combine their efforts to achieve a common goal. It is used in both personal and professional settings to describe working together as a team or providing assistance.
提案
A1A suggestion or proposal of a plan or idea for others to consider. It is used in both casual conversations and professional meetings to introduce a potential course of action.
輸出
A1The act of sending goods or services produced in one country to another country for sale or trade. In Japanese, it functions as a noun and a suru-verb, representing the 'exit' of products from a domestic market.
輸入
A1The act of bringing goods, services, or materials into a country from abroad for sale or use. In Japanese, it functions as a noun or can be combined with 'suru' to become a verb meaning 'to import'.
資源
A1Shigen refers to valuable materials or assets, such as natural minerals, energy sources, or human talent, that can be used for production or survival. It is widely used in economics, environmental science, and daily life to describe both raw materials and abstract wealth.
保護
A1The act of keeping someone or something safe from harm, damage, or loss by providing care or creating boundaries. It is a versatile term in Japanese used for social welfare, environmental conservation, and digital security.
観察
A1Observation is the act of watching someone or something carefully in order to gain information or understand a process. It is frequently used in scientific studies, nature analysis, and describing the act of paying close attention to details.
競争
A1Kyousou refers to the act of competing or vying with others to achieve a goal, win a prize, or establish superiority. It is a versatile term used in sports, business, and academics to describe both structured contests and general rivalry.
拡大
A1The act of making something larger in size, scale, or scope. It is frequently used for physical enlargement (like a photo) or abstract growth (like a business or a problem).
製造
A1The process of making or producing goods, typically on a large scale using machinery. It refers specifically to industrial manufacturing rather than making things by hand on a small scale.
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