たない
haga tatanai

i-Adjective
Idiomatic Expression

1. unable to compete with; not able to make a dent in (e.g. a problem); not able to get a solid hit in (e.g. in a fight)

この問題 もんだい むずかしくて わたくしには がたたない。
kono mondaiwa muzukashikute watashiniwa haga tatanai
This problem is beyond my powers.
i-Adjective
Expression

2. hard to chew

Other forms: