by far
1.evidently;clearly 明显地
He is by far the best student in this class.他显然是这个班里最优秀的学生。
2.by a large amount or degree;very much 甚为
Books are by far the most lasting products of human effort.书籍是人类最持久的财富。
The second half of his voyage was by far the more dangerous part,during which he sailed round the treacherous Cape Horn.这后半航程更为艰险,在此期间,他绕过了险情四伏的合恩角。