気力(きりょく)willpower, energy, vitality

気力(きりょく)が乏(とぼ)しいせいで、何(なに)も出来(でき)ません。

Due to a lack of energy, I can't do anything. {willpower, energy, vitality}

あの若者(わかもの)は気力(きりょく)が溢(あふ)れていて頼(たよ)り甲斐(がい)がある。

That young person is brimming with energy and is reliable. {willpower, energy, vitality}

最後(さいご)まで仕事(しごと)をやり遂(と)げる気力(きりょく)がない社員(しゃいん)を首(くび)にする。

Employees who lack the willpower to complete their work until the end are fired. {willpower, energy, vitality}

この仕事(しごと)は気力(きりょく)を要(よう)するとあって、やる気(き)がない日(ひ)は出来(でき)ません。

This job requires willpower, so on days when you lack motivation, you won't be able to do it. {willpower, energy, vitality}

気力(きりょく)を取(と)り戻(もど)したその生徒(せいと)は、この二(に)ヶ月(かげつ)で大幅(おおはば)に成績(せいせき)を上(あ)げました。

The student who regained his willpower significantly improved his grades in these two months. {willpower, energy, vitality}