･･･に知らせるの英語

inform

If he comes, I will let you know.

to inform someone of a certain condition

to inform a person of something

made known or openly avowed

to inform somebody in secret

make public by bulletin

impart gradually

the action of announcing something in advance or beforehand

the transmission of something

to teach

to speak beforehand in order to persuade a person to comply

the act of offering something

ring up the curtain

to reward for a favor

the insistence upon one's own will

to make anything public―publish the matter―give publicity to an affair

the action of saying something

the act of making accusations

to make the matter clear

the act of writing down what one has heard

declare to be

to raise a war

an act of deciding by guessing

the action of guessing