1. (1) Hidden (2) Twice (3) Together (4) to
2. (1) You don’t ask to be an official, but I have never abandoned you, why do you want to slander me?< /p>
(2)His old friend happened to come and they had a drink together, which made them very happy.
3. He lived in seclusion in the mountains and forests, and did not arrive in the capital until he was 40 years old. The lines in the poem were not liked by the emperor: he acted as he pleased and did not like restraint.