YOU SAID:
grab a seat, let's chat
INTO JAPANESE
席を取って、おしゃべりしよう
BACK INTO ENGLISH
Let's take a seat and have a chat.
INTO JAPANESE
席に着いておしゃべりしましょう。
BACK INTO ENGLISH
Let's sit down and chat.
INTO JAPANESE
座っておしゃべりしましょう。
BACK INTO ENGLISH
Let's sit down and chat.
That didn't even make that much sense in English.