This is where I was born.
ここで生まれた
This is where the problems arise.
ここで問題が生じる
This is why I have come to see you.
こういうわけであなたに会いに来たのです
This is why [((形式))This is the reason] I refuse to go.
こういう訳で行くのを断る
This is written in such simple English as can be read by children.
子どもにも読めるやさしい英語で書いてある（◆This is written in such simple English that children can read it. は「やさしい英語で...
This is, I suspect, the best system.
このシステムがたぶん一番です
This isn't the (best) moment to argue.
今は議論している時ではない
This jacket is showing wear.
この上着はすり切れている
This jacket is too small for me.
このジャケットは私には小さすぎる
This Japanese expression doesn't translate well into English.
この日本語表現は英語にうまく訳せない
