set(up)on
1.attack 袭击
Tom was walking through the park when a gang of boys set on him.汤姆穿过公园时,一群男孩袭击了他。
2.cause to attack 使袭击;唆使
Some boys want to steal melons but the farmer set his dog on them.有些男孩想偷瓜,那个农民就放出狗去咬他们。
3.be determined on 决定
John is set on playing cricket for England.约翰已决定为英格兰打板球。
My wife is set on having that fur coat.我妻子一心想买那件皮大衣。