osservarli

to observe them

→ osservare
osserv to observe, to watch + ar Infinitive + li 3rd-person plural object pronoun
verb Rare #42,561
to observe them “Li” refers to masculine or mixed-gender plural people or things.
IT: È interessante osservarli nel loro ambiente naturale.
EN: It is interesting to observe them in their natural environment.
Conjugation of osservare
Present
Indicative present
SingularPlural
First osservo
Second osservi osservate
Third osserva
Imperative
SingularPlural
Second osserva osservate
Third osservi
Indicative past
SingularPlural
First osservai
Subjunctive present
SingularPlural
First osservi
Second osservi
Third osservi
Imperative past
SingularPlural
Second osservati

Farebbe meglio a osservarli.

You’d better watch them.

Ho potuto osservarli da vicino.

I was able to observe them up close.

— Ratatouille (2007)

Osservarli prima e poi decidi.

Observe them first, and then decide.

— Arrietty - Il mondo segreto sotto il pavimento (2010)

Fareste meglio a osservarli.

You'd better keep an eye on them.