せっかく〜のに/のだから
N3努力や好機が無駄になって残念だ/それを活かそう
even though one went to the trouble; since one has the chance
接続 / Structure
せっかく+普通形+のに/のだから
例文 / Example
せっかく作ったのに、誰も食べてくれなかった。
Even though I went to the trouble of making it, nobody ate it.
せっかく作ったのに、誰も食べてくれなかった。
Even though I went to the trouble of making it, nobody ate it.