A : Mathematics makes me crazy.
   -수학 때문에 미치겠어

B : Try to study harder.
    -좀 더 열심히 노력해봐

A : I can't make it out at all.
    -나는 전혀 모르겠어

B : I think you'd better consult your teacher.
    -선생님과 상담해보는게 좋겠어.