so:"所以,因此",表因果关系,任何句都适用
I study hard,so I always get good grades.
"我努力学习,所以成绩总是很好"
but:"但是",表转折关系任何句都适用
Lily is a student,but I'm not a student.
"Lily是学生,但我不是学生"
though 习惯上不与 but 连用.汉语中可说“虽然…但是…”,但按英语习惯,通常不能说although…but?或though…but:
虽然很危险,但我要试试.
误:Although it is dangerous,but I will try.
正:Although it is dangerous,I will try.
正:It is dangerous,but I will try.