tā / míng zhī / zì jǐ / de / xué xí / fāng fǎ / yǒu / wèn tí / què / yīn wèi / pà / diū liǎn / ér / huì jí jì yī

他明知自己的学习方法有问题，却因为怕丢脸而讳疾忌医。

He knows that his study methods are problematic, but he refuses to face the issue because he is afraid of losing face.