求翻译：不定期参加义工活动：在大夫山附近义卖；去钟村小学义教；去钟村敬老院慰问孤寡老人等是什么意思？

From time to time to participate in volunteer activities: charity in the vicinity of the doctor Hill; go to the the Zhongcun elementary school Yoshinori; to go the Zhongcun nursing home condolences living alone

Participates in the voluntary worker to move non-periodically: In doctor nearby mountain charity bazaar; Goes to the clock village elementary school righteousness to teach; Goes to the clock village home for the elderly to salute the widowed senior citizen and so on

Do not regularly participate in volunteer activities: Doctor Hill near Bazaar; go Heung Chung Village primary schools teach; go Heung Chung Village Home for condolences unattached