Vocabulary

間違いなく

clearly; unmistakably; certainly; without a doubt

adverb

Example sentences

He will without doubt succeed in the exam.

I'm sure he is holding back something from us.

He promised to return the money without fail.

You'll get the plane all right if you leave at once.

He said he would give us his decision for sure by Friday.

The train will arrive on time without fail.

Make sure that you arrive at seven o'clock.

Make sure that all of you arrive at nine.