副詞 voluntarily:

1. out of your own free will

1. He made the promise quite voluntarily.
   他完全自愿地作出了承諾。
2. An act of self-mortification or devotion performed voluntarily to show sorrow for a sin or other wrongdoing.
   苦行，布贖一種用來表示悔罪或?qū)^失錯(cuò)誤的贖罪的自我懲罰或懺悔的行為
3. Something that is bestowed voluntarily and without compensation.
   禮物，贈品主動給予并不要報(bào)償?shù)臇|西
4. The government calls on the youth to donate their blood voluntarily.
   政府號召青年義務(wù)獻(xiàn)血。