~際に
〜sai ni
JLPT N2 Neutral
Formation
Verb-casual + 際に, い-Adjective + 際に, な-Adjective + な際に, Noun + の際に
Means 'when', 'while', or 'on the occasion of' a certain event or situation.
When to use
Neutral, the everyday marker for an occasion or event - "on the occasion of/when".
Explanation
~際に is used to specify a time or occasion when something happens. It’s more formal than a simple 'とき' and often appears in announcements or polite instructions.
Example sentences
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When departing, please don't forget your passport.
Shuppatsu no sai ni, pasupooto wo wasurenai de kudasai.
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When an earthquake occurs, please evacuate immediately.
Jishin ga okoru sai ni, sugu ni hinan shite kudasai.
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When I come to Japan, I plan to buy lots of souvenirs.
Nihon e kuru sai ni, omiyage wo takusan kau tsumori desu.
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Please wear a suit when attending the interview.
Mensetsu no sai ni, suutsu wo chakuyou shite kudasai.
Occasion (While Doing / On The Occasion Of)
- Noun がてらNoun gateraN1Means 'while...at the same time', 'on the occasion of', or…
- ~折には〜ori ni waN2Expresses 'when' or 'in case of' specific situations or…
- ~に際して〜ni saishiteN2Used to express the moment or the occasion of an action…
- ~にあたり〜ni atariN2Expresses the meaning of 'at the time of', 'in', 'on', or…
- Noun かたがたNoun kata gataN1Do one thing while also doing another; 'while', 'and at…
Corpus examples (43)
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Allow me to know in advance when you are coming up to Tokyo.
アメリカの大学に応募する際に、トフルの成績は一つの要因でしかない。
When applying to American universities, your TOEFL score is only one factor.
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Avoid drinking too much water with your meals.
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Don't make noise while eating soup.
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You must be careful in crossing the street.
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He slipped while crossing the street.
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Look out for cars in crossing the street.
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Please secure your seat belt during takeoff and landing.
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I may have made some minor mistakes in translation.
そして、何年か後に慈善伝導団を組織した際にマザー・テレサとなった。
She became Mother Teresa years later when she founded the Missionaries of Charity.
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You cannot be too polite when you meet the president.
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In opening the door, I broke the lock.
自宅を改築する際に、この部屋にだけ防音設備と内鍵を付けたんだ。
When my home had an extension built I only had this room fitted with soundproofing and an internal lock.
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When you travel abroad, you usually need a passport.
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Please let me know the confirmation number you were told when you reserved the room.
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You must not be afraid of making mistakes when learning a language.
私は学祭の片付けの際に学校の鍵を紛失して始末書を書くことになりました。
I lost a school key when I was cleaning up after the school festival and I was then required to write an apology letter.
危機の際にも冷静さを失わず、狂気に走るのを避けることが肝要である。
It is essential to keep calm in a time of crisis and avoid going haywire.
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The red lamp lights up in case of danger.
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You should be careful in choosing friends.
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It is no use trying to separate the sheep from the goats while in a state of madness.
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In case of an emergency, get in touch with my agent right away.
このサイトで文を追加する際には、適切な句読点が必要です。今回の場合は、句点が必要になります。
You must ensure you use correct punctuation when you add sentences to this website. In this case, a full stop is necessary.
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It is very important to be careful not to forget them when you leave.
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Cost is a definite factor in making our decision.