put down:镇压;记下;贬低;制止set down:1. 放下,搁下,2. 写下,记下;登记3.使(飞机)着陆;使降落4. 让(乘客)下车write down:写下;减低帐面价值;把…描写成take down :记下;拿下;拆卸;病倒