窗户上的挂钩变松了.The window catch has worked loose.移动位置; 变松, 如机械部件.To move out of place; come loose, as parts of a mechanism.在上面浇些热水, 盖子就会变松了.Pour hot water over it. The lid come loose....

“变松”的英语可以翻译为：fluff ...