~がたい
Kanji is "難い".
Also notice that ~にくい and ~がたい have the same kanji "難い" .
~にくい 【~難い】
~がたい 【~難い】
Meaning: very difficult to; hard to~
- 明日、留学を終えて国に帰る。これまで仲良くしていた友達とは本当に別れがたい。Tomorrow, I will finish studying abroad and return to the country. I am really hard to say goodbye to my friends.
- お年寄りをだましてお金をとる犯罪は許しがたい。The crime of tricking the elderly into taking money is unforgivable.
- あの正直な彼が嘘をつくとは、信じがたい。It's hard to believe that honest man tells a lie.
This is written language, common collocations are:
- 理解しがたい
- 想像しがたい
- 賛成しがたい
- 信じがたい
- 言い難い
- 表しがたい
- 許しがたい
- 受け入れがたい
- 認めがたい
Conventional expression:
- 動かしがたい事実