众所周知不需要举出例证人人都知道。英as everyone knows;[查看详情]

一览无遗看一遍便能全部记住没有遗漏。多形容人记忆力极强。[查看详情]

了然于胸了然：了解、明白。心里非常明白。[查看详情]

洞若观火形容对事物观察得清楚明白就像看火一样。例老祖台察吏安民洞若观火。——清钱谦益《致郎制台》英as clearly as a blazing fire; see very clearly as through looking at fire;[查看详情]

了如指掌形容对情况极为清楚。例对他们的活动他完全了如指掌。英have sth.at one’s fingertips; know as one know his ten fingers; know like a book; know as well as a beggar knows his bag;[查看详情]

简单明了简明扼要一看就明白。[查看详情]

有目共睹人人都看得见。比喻事实非常明显。例他在事业上的辉煌成就是有目共睹的。英be there for all to see; be obvious to all;也说“有目共见”[查看详情]

不卜可知卜：占卜预料。不用占卜就能知道。指不必预测就能知道。[查看详情]

炳如观火亦作“炳若观火”。[查看详情]

不言而喻不待释言已可晓悟。例南北省份距离这么遥远风物景观相差之大就不言而喻了。英it goes without saying;意在言外的譬喻已明白之意。例事故发生的原因是不言而喻的。英it is self-evident;自明的无须解释的。例不言而喻的责任。英prima facie;[查看详情]

一览无余南朝宋刘义庆《世说新语言语》：“江左地促不如中国若使阡陌条畅则一览而尽，故纡余委曲若不可测。”后以“一览无余”谓一眼即可全见。[查看详情]

一清二楚非常清楚。英be ferfecely clear; as clear as daylight;[查看详情]