must be, no doubt that

Beginner

15-20 min

very common

Expert Reviewed

Explanation

Expresses strong conviction based on evidence or reasoning.

[Verb/い-adj/な-adj/Noun] + に違いない

彼は絶対に合格したに違いない。

Kare wa zettai ni goukaku shita ni chigai nai.

He must have passed without a doubt.

この話は嘘に違いない。

Kono hanashi wa uso ni chigai nai.

This story must be a lie.

Don't confuse with ～かもしれない (maybe).

～に決まっている

surely, definitely, it is certain that

～に違いない

must be ~, no doubt that ~, undoubtedly

～に関して/関する

regarding ~, concerning ~, about ~

～について/つい

about ~, concerning ~

～に伴って/伴い/伴う

along with ~, as ~ (changes)

Use when you are confident about something.

JLPTBooks Editorial Team

Japanese Language Education Specialists

Last updated: Jan 2

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