sus opiniones

his opinions / their opinions / your opinions

→ su
phrase Rare #48,230
his opinions / their opinions / your opinions Possessive phrase; sus can mean his, her, their, or your depending on context.
SP: No comparto sus opiniones sobre política.
EN: I don't share his opinions about politics.

Cada una de sus opiniones tiene puntos buenos y malos.

Each of their opinions has good and bad points.

Estoy de acuerdo con algunas de sus opiniones.

I agree with some of your opinions.

Sus opiniones sobre el tema varían.

Their opinions on the subject vary.

Sus opiniones difieren de las suyas.

Their opinions differ from yours.