This phrase suggests that a child or heir closely resembles their parent or their family origins. It is used to indicate that someone has inherited the character or flaws of their family.

To have a 'left hand' means to have tact, diplomacy, and the ability to handle delicate situations without offending. Someone with a 'left hand' knows how to speak with any person.

To take things from someone by force or abuse of power. The person who "agandalla" is a bully who takes advantage because they can, the classic tough guy who thinks they are bigger than everyone else. Very Mexican, very street.

Meh — neither good nor bad, completely mediocre, generating zero emotional response. In Spain ni fu ni fa is the ultimate shoulder shrug about something utterly unremarkable.