我们应当因势利导，夺取斗争胜利。

We should make the best use of the situation and guide the struggle to victory.

对于犯了错误的学生，老师要因势利导。

With students who have made mistakes, teachers should guide them according to their individual needs.

改革与发展要因势利导, 积极推进

как в деле реформы, так и в деле развития необходимо энергично двигаться вперед с учетом меняющихся