~といわんばかり => as if to say N1
Similarity
んばかり => Seems like A, Seems as if A N1
Adjectival, Descriptions
... ばかり => About … N2
More or less in quantity
ばかりだ => Just N3
Result status
... ばかり => only; just ~ N2
For example, simile
~んがため(に)/~んがための      => in order to ~ N1
ばかり => only; nothing but ~ N3
... ばかりで => only, just ~ N3
Criticize
...なりなんなり... => any,anything,whatever N1
Vague
んだが => Start the story N4
How to say the beginning
ばかり => only; just ~ (negative description) N3
Continuous
ばかりだ => just done, just N4