バースデーだろう
bāsudēdarō
1. Probably a birthday.; It must be a birthday.
★ Common
Noun
#1000567
1. Probably a birthday.; It must be a birthday.
1. birthday
1. seems; I think
2. right?; don't you agree?
1. Probably okay.; It'll probably be alright.
1. Birthday
1. Unfortunately likely.; Probably regrettable.
1. For a birthday; On a birthday
1. Not quite.; Probably not.
1. How old could they be?; Probably around… (age)
1. Probably good at it.; Likely to succeed.