wǒ / hěn / xiǎng / cān jiā / zhè cì / zhì yuàn huó dòng / kě / zuì jìn / yào / zhào gù / jiā rén / zhēn shì / xīn yǒu yú ér lì bù zú

我很想参加这次志愿活动，可最近要照顾家人，真是心有余而力不足。

I really want to take part in this volunteer activity, but I have to care for my family lately, so I truly want to help but lack the strength to do so.