[yǐ zhì]
（多用来指不好的结果） so that; with the result that; consequently;as a result that;as a result
He hadn't studied hard so that he failed in the exam.
他平时学习不努力，以致（于）考试不及格。
In most machines friction consumes effort, with the result that less work is got out than is put in.
在大多数机器中，摩擦要消耗功，以致造成输出的功要小于输入的功。