口惜しい

(1)feeling or expressing regret or sorrow or a sense of loss over something done or undone; "felt regretful over his vanished youth"; "regretful over mistakes she had made"; "he felt bad about breaking the vase"

(2)何かをした、あるいはしなかったことについて後悔、悲しみ、あるいは喪失感を感じること、あるいは表すさま

(3)deserving regret; "regrettable remarks"; "it's regrettable that she didn't go to college"; "it's too bad he had no feeling himself for church"

(4)後悔に値するさま

(1)regrettable remarks

(2)遺憾な言葉

(3)it's regrettable that she didn't go to college

(4)彼女が大学へ行かなかったのは残念だ

(5)it's too bad he had no feeling himself for church

(6)彼が教会への感情がないのはとても悪いことだ