不在话下毫无困难很容易做到。例他摩托车都会骑自行车更不在话下。英be not difficult;指事物轻微不值得说，或事属当然用不着说。例反动者当然是无能为力不在话下的。英need not be mentioned;也有不再往下细说的意思。[查看详情]

显而易见指事情或道理得明显很容易看出来。形容一下子就能看清楚。例莫若质请天物之显而易见且可以为戒也。——宋王安石《洪范传》英obviously; evidently; clearly; as clear and plain as the nose on one's face; it goes without saying;[查看详情]

可想而知可以通过揣想而得知。例然考唐九品月得五十七石，使果得此，亦足用度。而郊以吟诗废务上官差官以摄其职，分其半禄，酸寒之状，可想而知。——《野客丛书汉唐俸禄》英it can well be imagined; you can imagine;[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]