neat: implies clearness, be it manifested in freedom from dirt and soil: her house is as ~ as a pin; or in freedom from clutter, complication, or confusion: ~ workmanship; or in freedom from any admixture: took whiskey ~.


tidy: suggests pleasing neatness and order diligently maintained: a ~ desk with everything in its proper place.


trim: implies both neatness and tidyness, but it stresses the smartness and spruceness of appearance that is given by clean lines and excellent proportions: a ~ yacht.      spruce打扮整齐、显得干净的，作名词表示云杉  trim作动词表示修剪或缩减to cut off small amounts of something to make it look neater and tidier，如trim his hair理发，his hair needs a trim他该理发了，如trim a hedge修剪树篱，trim any excess fat off the meat把多余的肥膘从肉上切掉，如trim the training budget/funding缩减培训预算/资金


neat整洁: 表示没有尘土或混乱或杂质，tidy整齐整洁: 整洁且有条理，trim整齐整洁修长: 表示整洁又整齐，但强调线条明快比例协调


记忆方法: 1) 首字母TNT炸药<==破坏整洁

         2) 整洁的意思是规整洁净mean manifesting care and orderliness.首字母TNT炸药<==破坏整洁                   care用心 orderly有序