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How to say "Certainly" in Japanese

Both words can translate to "certainly", but which should you choose?

Japanese Option A

かならず

かならず (kanarazu)
N3 / CEFR Syllabus
VS
Japanese Option B

聢と

聢と(しかと)
C2PLUS / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "certainly" into Japanese, you must choose carefully between かならず and 聢と. In Japanese, かならず (かならず (kanarazu)) is typically associated with "certainly, without fail, absolutely" (Syllabus Level: N3) and represents This adverb emphasizes a strong certainty or necessity. It means something will definitely happen or must be done. It often accompanies verbs expressing obligation or strong intention, and sometimes appears with negative forms to mean "never fail to".. On the other hand, 聢と (聢と(しかと)) maps to "certainly; firmly; clearly; for sure (classical adverb)" (Syllabus Level: C2PLUS) and represents Essential structural term in CEFR C2PLUS vocabulary syllabus.. A literal translation of "certainly" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "かならず"
明日はかならず会議に出席してください。
Please make sure to attend the meeting tomorrow.
Bilingual Context for "聢と"
私は聢とに興味があります。
I am interested in certainly; firmly; clearly; for sure (classical adverb).

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "明日は ___ 会議に出席してください。" (Meaning: "Please make sure to attend the meeting tomorrow.")
🎉 Correct Answer!

Remember: "かならず" fits here because it means "certainly, without fail, absolutely" in the context of: "Please make sure to attend the meeting tomorrow.". "聢と" represents "certainly; firmly; clearly; for sure (classical adverb)".

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