彼の精神の発達は遅かった。の英語

His mental development was slow.

His mental development was slow.

He's afraid that he might be late.

He's worried that he might be late.

He is afraid of being late.

He excused himself for being late.

He left early in order not to be late.

he was excusably late

He is slow to learn.

He excused himself for being late.

He came late as usual.

He made hokey excuses for being late.

He fears being late.

He was very apologetic for not coming on time.

He sent word that he'd be delayed.

It is certain that he is coming late.

I felt uneasy at his long absence―（他動詞構文にすれば）―His long absence made me （feel） uneasy.

He speaks extremely slowly.

Many's the time he has made an excuse for being late.

He is dull of comprehension.

It is certain that he is coming late.

He makes slow progress.

He made many excuses for being late.

he arrived at an inconveniently late hour

It frequently happens that he is late

He is often late.

He was impatient of any delays.

It was typical of him to arrive late.

To my annoyance, he was late again.

He's desperately trying to make up for the delay.