1d: Part of the body, the sound of Peking? (6)
I have P-L-I- from which I can only think of PELVIS, but what's it got to do with Peking?
5a made me chuckle!
Of course! Thanks. Can't parse 10a either: Family trips not starting, I abandon path (9). I have letters A-C-S---- and am thinking "ancestors" but why?