1, As far as payment is concerned most major credit cards are acceptable

(As far as sth is concerned: theo quan điểm của cái gì về điều gì)

2, There were far fewer people there than I had expected

(expect: mong đợi)

3, If it had not been for my father's money, we couldn't have succeeded

(If +it+ hadn’t been for + N:  nếu không nhờ)

4, The reason why he had behaved so strangely at the ceremony wasn't told us by the guest (

the reason why: lý do mà)

1. Regarding payment , most major credit cards are acceptable

⇒As far as payment is concerned, most major credit cards are acceptable.

2. There were not nearly as many people there as i had expected

⇒There were far fewer people there than I  had expected

3. We could not have succeeded without my father's money

⇒If it hadn't been for my father's money, we could not have succeeded

4. The guest didn't tell us why he had behaved so strangely at the ceremony

⇒The reason why  he had behaved so strangely at the ceremony was unknown