くだらなったら【下らなったら】
kudaranattara
1. If/when it becomes worthless; If/when it becomes useless
★ Common
Adjective
#1323199
1. If/when it becomes worthless; If/when it becomes useless
1. if it's the case
1. I see; that's right
1. mere; simple
1. not be found
1. interactive