Answer:

1. Although there was a traffic jam, we managed to arrive at the train station on time. (despite)

=> Despite the traffic jam, we managed to arrive at the train station on time.

2. I don’t want to buy a new computer although I have enough money. (having)

=>  I don’t want to buy a new computer despite having enough money.

3. Both of them usually go to school late although they don’t live far from school. (spite)

=> Both of them usually go to school late in spite of not living far from school.

4. My brother still went to school yesterday although he was sick. (sickness)

=> My brother still went to school yesterday despite his sickness.

5. Although he looks healthy, he has a weak heart. (looking)

=> Despite looking healthy, he has a weak heart.

6. Despite the fact that Louis is not so rich, he often does charity. (although)

=> Although Louis is not so rich, he often does charity.

7. In spite of the awful weather, we enjoyed our party last night. (although)

=> Although the weather was awful,we enjoyed our party last night

Trans:

1. Bất chấp tắc đường, chúng tôi đã cố gắng đến ga tàu đúng giờ.
2. Tôi không muốn mua một máy tính mới mặc dù có đủ tiền.
3. Cả hai người thường đi học muộn mặc dù không sống xa trường.
4. Anh trai tôi vẫn đi học hôm qua mặc dù bị ốm.
5. Mặc dù trông khỏe mạnh nhưng anh ấy lại có một trái tim yếu ớt.
6. Dù không quá giàu nhưng Louis vẫn thường xuyên làm từ thiện.
7. Mặc dù thời tiết thật tồi tệ nhưng chúng tôi đã tận hưởng bữa tiệc tối qua.

@Hk.