Struggling with bottom left corner!
47 across 'Rough way to kiss when pursuing bachelor (5/5)
---a-/b-u-h
53 across 'A long rambling question in native language (9)
------u-n
56 across 'Unhappy perhaps as bloke plies us with relaxants' (11)
------e-u-l
+h and stuck on 43 down too! 'Encouragement to one doing acrobatic feat in a way that's clumsy almost (5/3)
-l-e-/o-c