Expressions (phrases, clauses, etc.), Na-adjective (keiyodoshi)
as if Christmas and one's birthday had come at the same time; as if Lady Luck had just visited twice; as if the Bon Festival and New Year had come at the same time
as if the two busiest days of the year had come at the same time
Also written 盆と正月が一緒に来た様【ぼんとしょうがつがいっしょにきたよう】