Does it cost that much to have a leaky toilet fixed?
I didn't know it was that expensive to have a leaky faucet repaired.
ーDoes it cost that much to have a leaky toilet fixed?
「トイレの水漏れを修理するのにそんなにかかるの？」
Does it cost that much ...? で「そんなにお金がかかるの？」
to have a leaky toilet fixed で「トイレの水漏れを修理してもらう」
ーI didn't know it was that expensive to have a leaky faucet repaired.
「蛇口の水漏れを修理してもらうのにそんなに費用がかかるとは知らなかった」
I didn't know it was that expensive to ... で「…するのにそんなに費用がかかるとは知らなかった」
to have a leaky faucet repaired で「蛇口の水漏れを修理してもらう」
ご参考まで！
カナダ 
