口添え in inglese:

The recommendation from my boss made all the difference.

His supervisor gave him a sterling recommendation.

My recommendation is that you invest in government bonds.

My teacher wrote a recommendation for me.

Thanks to his recommendation, I was able to get a teaching job at a college in Tokyo.

I hope you will give me a good recommendation for my new job.

She's got excellent recommendations for such a young person.

We booked into that hotel because of a friend’s recommendation.

The critics’ recommendations helped to make the film successful at the box office.

The environmental group made a recommendation that the new road should not be built through the wildlife park.

What's your recommendation?

Beauty is a letter of recommendation which it is almost impossible to ignore.

Lack of originality, everywhere, all over the world, from time immemorial, has always been considered the foremost quality and the recommendation of the active, efficient and practical man...

To persuade somebody that your recommendation is reasonable and wise, you have to give reasons and quote known examples and authorities.