lǎo / shī / shuō / tā / guǎn / jiào / wú / fāng / wú / fǎ / guǎn / lǐ / zhè / gè / tiáo / pí / de / xué / shēng

老师说他管教无方，无法管理这个调皮的学生。

The teacher said he was incapable of dealing with this naughty student.