古往今来[kooukonrai] in all ages
古今[kokon] ancient and modern times
古今東西[kokontouzai] all times and places
古今無類[kokonmurui] best ever

今か今か[imakaimaka] eagerly waiting
今が今[imagaima] just now
今が今まで[imagaimamade] till just now
今しがた[imashigata] moment ago

それ以上[soreijou] further
それ以来[soreirai] since then
以って[motte] with
以ての外[mottenohoka] absurd
以遠[ien] beyond

以往[iou] hereafter
以下[ika] not exceeding
以下の通り[ikanotoori] as below
以外[igai] with the exception of
以後[igo] after this