お父さんによろしくね。

Meaning
say hello to dad

Vocab used in this sentence

お父さん
dad, father, his father, my dad, my father, whose father, daddy
in, to, on, at, into, upon
よろしく
regards, nice to meet you, best regards, thank you in advance
ne, right, isn't it, don't you think, huh, aren't you