1 convert (sth) (from sth) (into/to sth) to change from one form, system or use to another 转换；转变: a sofa that converts into a double bed 可用作双人床的沙发How do you convert pounds into kilos? 怎样把磅换算为公斤？

2 convert (sb) (from sth) (to sth) to change or to persuade sb to change to a different religion （使别人）改变宗教信仰；（使）皈依: As a young man he converted to Islam. 他年青时已皈依伊斯兰教。to convert people to Christianity 使人皈依基督教