father-in-law（岳父）-----翻译的死板一点,是不是就是法律意义上的父亲?

岳父
wife 's father ; father-in-law
没错,在英语中联姻后的另一方的亲属都是in-law ,in-law 姻亲
岳父母 father-in-law and mother-in-law
翁婿 father-in-law and son-in-law
婆媳 mother-in-law and daughter-in-law .