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 suru transitive verb intransitive 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.
Shirabe