もぐらせってわならない【潜らせってはならない】
mogurasettewa naranai
1. Must not submerge.; Must not infiltrate.
Adjective
#2304539
1. Must not submerge.; Must not infiltrate.
1. even if; even though
2. however; no matter how
1. I see; that's right
1. once; before
2. never yet; never before
1. mere; simple
1. do your best; go for it
1. on the contrary; rather