These sentences were read aloud by real people — native Japanese speakers — for the open Mozilla Common Voice project. Listen to how a phrase sounds in real speech: the intonation, the pace, the way words run together. Two speakers mean two different people read it — compare them.
こんな服どこで売ってんだよ
こんなふくどこでうってんだよWhere do they even sell clothes like this?
ホームがたくさんあって、どこに行けば良いのか分かりません。
ほーむがたくさんあって、どこにいけばよいのかわかりません。There are many platforms and I don't know which way to go.
かくいうのは、我々人間はどこまでも社会的ということでなければならない。
かくいうのは、われわれにんげんはどこまでもしゃかいてきということでなければならない。This is to say that we humans must be social all the way through.