訓 やぶ(れる) ・ 音 ハイ
Sino-Vietnamese: bại
Shell 貝 (treasure) plus striking 攵: smashing something valuable ruins it, so it means defeat or failure (Han Viet bai, as in that bai = failure).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
失敗しても、また頑張ります。 (しっぱいしてもまたがんばります)
Even if I fail, I will try again.