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]

泾渭分明泾、渭二水一清一浊，虽合流汇聚却清浊分明。比喻是非明了境界清楚。英as different as the waters of the Jinghe and the Weihe;[查看详情]

一目了然一眼就看得很清楚。英as clear as day; see with half an eye;[查看详情]

历历物体或景象一个个清晰分明。例历历可数。历历在目。英distinctly; clearly;[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]

历历可数清清楚楚的数出来。例珠历历可数也。——明魏学洢《核舟记》英clearly count;[查看详情]

清清楚楚清晰明白有条理。[查看详情]

历历在目清楚地显示在眼前。例历历在目疑其类墟墓间事，不祥也。——宋洪迈《夷坚志》英come clearly into view; leap before the eyes; be still alive in one's memory;[查看详情]

一五一十比喻叙述事情像点数那样详尽无遗。例这妇人听了这话也不回言；却踅过来，一五一十，都对王婆和西门庆说了。——《水浒传》英whole story as it had happened;[查看详情]

一清二白非常清白。例素来一清二白。英be perfectly spotless;同“一清二楚”例记得一清二白。英be perfectly clear; as clear as daylight;[查看详情]