她总是奉献自己帮助他人。

Tā zǒngshì fèngxiàn zìjǐ bāngzhù tārén.

She always dedicates herself to helping others.

奉献爱心是我们的责任。

Fèngxiàn àixīn shì wǒmen de zérèn.

Dedication of love is our responsibility.

他奉献了自己的时间参与慈善活动。

Tā fèngxiànle zìjǐ de shíjiān cānyù císhàn huódòng.

He dedicated his time to participate in charity activities.