Bedeutung von “sit back” — Learner’s Dictionary

sit back

phrasal verb with sit us uk /sɪt/ verb present participle sitting, past tense and past participle sat
RELAX

to relax in a chair so that your back is against the back of the chair:

Just sit back and enjoy the show.
DO NOTHING

to wait for something to happen without making any effort to do anything yourself:

You can't just sit back and expect someone else to deal with the problem.

(Definition von “sit back” aus dem Cambridge Learner's Dictionary © Cambridge University Press)