jīng / guò / lǎo / shī / de / tí / xǐng / wǒ / duì / zhè / dào / tí / de / jiě / fǎ / zǒng / suàn / mō / tóu / le经过老师的提醒,我对这道题的解法总算摸头了。After the teacher's hints, I finally got an idea of how to solve this problem.