やりってはならない
yarittewa naranai
1. Must not do.; Do not do.
Adjective
1. Must not do.; Do not do.
1. tightly (hold, squeeze, etc.); firmly
1. giving and taking; exchange (of letters)
1. on the contrary; rather
1. I see; that's right
1. forcibly; by force
1. very much; exceedingly
1. to do over again; to redo
1. coupled with; together
1. once; before
2. never yet; never before