His primary reason for going out was to see Patty.
He cannot come anymore for some kind of reason.
For some reason, he was absent from that meeting.
To my disappointment, he had already started.
He could not go on a trip for lack of money.
That accounts for his absence.
He didn't come for some reason or other.
He had to give up the trip for lack of money.
On the very day when his term of worship expired, he came across his father's enemy on his way home from the shrine.
As a reason for his retirement, he cited his knee injuries.
His leg will prevent him from participating in a tennis tournament.
Urgent business prevented him from going.
The loss of his sense of smell was due to a head injury.
I was about to go out when he called on me.