先生は最近授業に手を抜きがちだの英語

He is a good teacher

He is practised in teaching.

His is a lively class.

He has tact in teaching

The teachers of that school teach as a matter of duty―The teaching at that school is perfunctory―perfunctorily done.

He is teaching―on duty.

The teacher is away right now.

I should be overwhelmed by your assistance―（他動詞構文にすれば）―You would overwhelm me by your assistance.

The doctor is not available at the moment.

The teachers attend to their duties perfunctorily.

The new man is no good.

He speaks too fast.

The present teacher is a better scholar than the former one.

That teacher's classes are very fun.

He indulges in pleasantries when he lectures

He is a new hand and not used to his work.

Legendary Teacher Goes Back to Class

I should be overwhelmed by your assistance―（他動詞構文にすれば）―You would overwhelm me by your assistance―Your assistance would overwhelm me.

He is held in high esteem in the school.

He has tact in teaching.

He has the text-books at his fingers' ends.

That doctor is no longer in practice.

He is below the generality of teachers―below the common run of teachers.

He is a stickler for punctilio.

The teacher gave me permission to go home early.

Such a teacher is a disgrace to the school.

Our teacher is in a temper today.

The teachers are passionate and gentle.

We have been greatly deceived in our new man.

The new teacher is more like a friend than a teacher.