TAKOBOTO

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The Japanese grammar content is from jgram.org licensed CC BY-SA 2.0.
に違いない
nichigainai
JLPT N2 Author: alexeiS
にちがいない
Meaning
no mistake...definitely
I've not got my keys, I definitely (lit. make no mistake) I dropped them somewhere
確かに と おもう
See also
Phrases
I've not got my keys, I definitely dropped them somewhere.
#6552 Author: ved

The stew must have disagreed with me.
#5784 Author: dc

Look at that smoke. That building must be on fire.
#5785 Author: dc

That fox must have killed the hen.
#5786 Author: dc

You must be a good athlete to have run a mile in such a short time.
#5787 Author: dc

He must be a fool to talk like that.
#5788 Author: dc

He must be crazy to behave like that.
#5789 Author: dc

The farmers must be happy to hear that.
#5790 Author: dc

It must be dangerous to swim in this rapid stream.
#5793 Author: dc

There must be something at the bottom of all this.
#5795 Author: dc

This must be a real diamond.
#5797 Author: dc

He must be a good walker to have walked such a long distance.
#5800 Author: dc

So perhaps this was their ancient god returning after his long absence.
#5801 Author: dc

It must have something to do with money.
#5802 Author: dc

This is definitely a picture of her as a child.
#6844 Author: 赤毛

The English of composition is too good. She can't have written it herself.
#5794 Author: dc

Here is a note by him. He must have come here.
#5792 Author: dc

He must be stupid to believe such a thing.
#5798 Author: dc

She must be thirty or so.
#8248 Author: karekano

There must be something behind this matter.
#8316 Author: karekano

Jane looks very pale. She must be sick.
#8317 Author: karekano

He left home twenty minutes ago. He must have arrived at the office by now.
#8318 Author: karekano

His plain is bound to fail.
#8319 Author: karekano

You must be joking.
#8320 Author: karekano

Because this guy is serious, no doubt that he will come just on time.
#6845 Author: 赤毛

This car must have had tough usage.
#5796 Author: dc

Discussion and comments
The words and kanji on this web site come from the amazing dictionary files JMDict, EDICT and KANJIDIC. These files are the property of the Electronic Dictionary Research and Development Group , and are used in conformance with the Group's licence. The example sentences come from the projects Tatoeba and Tanaka Corpus. Kanji search by radicals is based on the Kradfile2 and Kradfile-u files containing radical decomposition of 13108 Japanese characters. Many thanks to all the people involved in those projects!