tu faglielo

show it to him/her

→ fare
fa to do, to make + glie to him/her + lo masculine singular direct-object pronoun (him/it)
verb · 2nd-person singular informal Rare #45,425
show it to him/her An informal singular command combining fai (“do”) with pronouns meaning “to him/her” and “it.”
IT: Faglielo vedere quando arriva.
EN: Show it to him when he arrives.
Conjugation of fare

Faglielo vedere, Iya.

Show him, Iya.

— La ragazza d'autunno (2019)

Bhura, faglielo vedere di nuovo.

Bhura, show it to him again.

— Lagaan: C'era una volta in India (2001)

Faglielo capire.

Make him understand.

— Star Trek II - L'ira di Khan (1982)

Faglielo vedere, amico.

Show it to him, buddy.

— Cidade dos Homens (2007)