yīn wèi / méi néng / jí shí / huí fù / péng yǒu / de / qiú zhù / tā / yì zhí / gǎn dào / qiàn jiù

因为没能及时回复朋友的求助，她一直感到歉疚。

Because she was unable to respond to her friend's request for help in time, she felt guilty for quite a while.