~ひょうしに(~拍子に)   => the moment [A], unintentionally / inadvertently caused something to happen N1
... 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
ばかり => only; nothing but ~ N3
... ばかりで => only, just ~ N3
Criticize
がわかります => Capacity N5
Ability
~ がかり => similar to ...,dependent on ... N1
Evaluate
ばかり => only; just ~ (negative description) N3
Continuous
ばかりだ => just done, just N4
...ばかりだ => (Only) continue to N2
Completed
ばかりか => not only… but also; as well as ~ N2