Zhì / yuàn / zhě / men / quán / qíng / cān / yù / shè / qū / huó / dòng / bāng / zhù / jū / mín / jiě / jué / le / xǔ / duō / wèn / tí

志愿者们全情参与社区活动，帮助居民解决了许多问题。

The volunteers took part wholeheartedly in community activities and helped residents solve many problems.