秘(ひ)書(しょ) hishoに niその sono手(て)紙(がみ) tegamiを oタイプ taipuさせた saseta。 I had the secretary type that letter. Literal Secretary [to-に] that letter [object-を] type made. 秘書にその手紙をタイプさせた uses the causative ~させる: 'made/had the secretary type it.' に marks the person made to do the action. worksecretarycausative form (~せる/~させる)
秘(ひ)書(しょ) hishoに niその sono手(て)紙(がみ) tegamiを oタイプ taipuさせた saseta。 I had the secretary type that letter. Literal Secretary [to-に] that letter [object-を] type made. 秘書にその手紙をタイプさせた uses the causative ~させる: 'made/had the secretary type it.' に marks the person made to do the action. worksecretarycausative form (~せる/~させる)