A teacher can't give individual attention to each pupil if his class is large.
如果班上的人数多,老师就不能给予个别辅导了。
The headmaster has made a decision of suspension of a pupil from school.
校长已经做出对一名学生停学处分的决定。
The singer was accompanied at the piano by his pupil.
演唱者由他的学生担任钢琴伴奏。