他们虽然穷，但是很快乐的英语怎么说

Althought they are poor but happy
Healthy life help me get better achievement.

they are poor, but very happy
the better grade was achieved for me that it depends on healthy life

they are poor but happy.
healthier life offers me better grades.

他们虽然穷，但是很快乐
Despite their poor, but happy

健康的生活帮我取得更好的成绩
Healthy life helped me to achieve better results

though 和 but不能同时用