Itsgettinglate。Itsalreadynighttime。Thedayiswaning。Thesunissetting。Thenighthascome。Itsgettinglate、itsalreadynighttime、thedayiswaning和thesunissetting都表示时间已经晚了，而Thenighthascome表示说夜晚已经得到。Itsalmostdark。Theeveningshadowsarelengthening。Thenightdrawsnear。