Shirabe

確約かくやく

Common Noun Irregular Transitive Intransitive
English jmdict
1
noun (common) (futsuumeishi)noun or participle which takes the aux. verb surutransitive verbintransitive verb firm promise;definite promise
確約は出来ないけど、何とかやってみましょう。
I can't promise anything, but I'll do my best.