退休后，他选择全身心投入慈善工作。

After retiring, he chose to ___devote ___himself ___to charitable work.

当你有年幼的孩子时，很难全身心投入事业。

It's challenging to ___devote ___yourself ___to a career when you have young children.

成功的运动员通常全身心投入严格的训练计划。

Successful athletes often ___devote ___themselves ___to rigorous training schedules.