They may fallfarbehind in their schoolwork and even develop behavior problems.
他们的功课会远远落后，甚至会引发行为上的毛病。
2
This situation caused me great concern as I feared I would fallfarbehind my classmates in this very important year of study.
这种情况造成我非常令人关注，因为我担心我会远远落后我的同学在这个非常重要的一年的学习。
3
Mrs Meng said she was not as strict as some mothers - she does not force her son to learn a musical instrument - but he cannot fall too farbehind at school.