slip and fall into the water; take a wrong step in life ❍ 用诰谕，用刀枪，用书报，用锻炼，用逮捕，用拷问，直到去年请愿之徒，死的都是“自行～”； …… (鲁迅《南腔北调集·论“赴难”和“逃难”》48)They used orders,weapons,the press,circumstantial evidence,arrests and torture,till last year the students killed while petitioning were said to have “slipped into the water themselves，” …