pensa di riuscire a farlo

thinks they can do it

→ pensare
phrase Rare #38,997
thinks they can do it The subject is understood from context; farlo means “do it.”
IT: Mary pensa di riuscire a farlo.
EN: Mary thinks she can do it.

Mary pensa di riuscire a farlo?

Does Mary think she can do it?

Mary pensa di riuscire a farlo.

Mary thinks she can do it.

Non pensa di riuscire a farlo.

He/She doesn't think they can do it.

Tom pensa di riuscire a farlo?

Does Tom think he can do it?