I'm off (and will be back later); see you later; to go (and then come back)
correct answer; right solution; correct interpretation; right decision; right choice; appropriate judgement
as one would expect; just as you'd expect (from); still; all the same; even ... (e.g. "even a genius")
teacher; instructor; sensei; title or form of address for a teacher, master, doctor, lawyer, etc.; intimate or teasing form of address; (arch.) one's elder
whole life; a lifetime; all through life; (the only, the greatest, etc.) of one's life
the world; society; sphere; circle; world-renowned; world-famous