求英语帝帮我翻译下面的句子，万分感激啊 ！！！！！！！！！！！

1，I never realized that I could address the problems in this way.
2, I think it's a natural thing for students to study hard.
3, His father died on sea after accomplishing two voyages around the world.
4, Success can be only achieved by studying hard.
5, Although the correct answer hasn't been found, they firmly believe that the efforts are worthy.

1 I never thought I could solve the problem in this way
2 I take it for granted that students should study hard
3 His father died on the sea after having sailed around the world for twice
4 Only through hard working can we succeed
5 Though the correct anwer is still not found， they believe that their efforts are worthwhile

Let me try. I hope it can help you to some degree:
1 I have never thought I could solve this problem in this way.
2 I take it for granted that students should work hard.
3 His father passed away on the sea after two consecutive voyages round the world.
4 Success could only be got through hard study.
5 Though correct answers are still not found, they believe their efforts are paying off.