guide (someone) by the hand

Translations
вести (кого-то) за руку
He guided her by the hand through the crowded street.
Он вел ее за руку по многолюдной улице.
Definitions
To physically lead or direct someone by holding their hand, often to help them move safely or confidently, especially if they are unfamiliar with the surroundings or need assistance.
Words
hand

noun
рука
guide

verb
направлять