suī / rán / tā / bù / tài / yuàn / yì / dàn / wèi / le / bāng / zhù / péng / yǒu / zhǐ / hǎo / miǎn / wéi / qí / nán / de / dā / ying / le

虽然他不太愿意，但为了帮助朋友，只好勉为其难地答应了。

Although he was unwilling, he reluctantly agreed in order to help his friend.