As I understand; based on what I know
Por lo que entiendo; según lo que sé (Por lo que entiendo; segun lo que se)
"As far as I can tell, everything is fine."
"Por lo que entiendo, todo está bien." (Por lo que entiendo, todo esta bien.)
better or more amazing than imagined
to worry a lot about something
to believe or trust in someone or something
to successfully finalize an agreement
to trust your own abilities and decisions
to make maximum effort even when it’s tough