了: finish; complete; end; fulfi ...如: in compliance with; accordin ...观: Taoist temple a surname火: fire观火: watch the fire洞若观火: (比喻观察事物明白透彻) very clear-sighted;as clear as day;as viewing a fire;clear like looking at a fire; see sth. as clearly as a blazing fire隔岸观火: (比喻见有有危难不加援助而采取看热闹的态度) watch a fire from the other side [from the opposite bank] of the river -- look on at sb.'s trouble with indifference; adopt a “wait-and-see” attitude; look on (without sympathy); praise the sea, but keep on land.; show utter unconcern; watch the fire from the other side of the river -- not interested in sb.'s success or failure明若观火: as clear-sighted as viewing a fire; as clear as day; clear like looking at a fire; as clear as looking at a fire; see things very clearly; exceptionally clear and vivid对…了如指掌: have something at one’s fingertips看了如果爱: pehaps love了如指掌: know … like the palm of one's own hand; as plain as pointing to one's hand; be thoroughly familiar with …; clear like pointing at a palm; have fully grasped a subject, a situation, etc.; have sth. at one's fingertips; know … as a person knows his ten fingers; know … as well as a beggar knows his bag; know … like a book; know sth. like the back of one's hand; know … to one's fingertips; one has the knowledge of sth. so one's palm.; 他对这一带地形了如指掌。he knows the terrain of this locality like the back of his hand观人如观玉,拙眼喜讥评: Judging character is like judging jade,the uninformed like to criticize.观人如观玉拙眼喜讥评: judging character is like judging jade the uninformed like to criticize对了如果你是用: personal web server对某事了如指掌: have sth. pat对某事物了如指掌: have sth at one's fingertips be completely familiar with sth完全了解, 了如指掌: to know something backwards(用户名)就可以了如您的: id产地来源证身分了如指掌: cos id already know对所有的规则了如指掌: thoroughly conversant with all the rules堕落到了如此可鄙的地步: stoop to such meanness了如指掌, 知道得很清楚: know from a to z列举了如下图形的优点: graphical excellence他对矿残业了如指掌: his intimate knowledge of the coal industry未来发生了如此多的改变: so many displaced among the future dreamers