This is in reply to yours of the 15th inst.
((やや古))本月１５日付の貴簡にご返答申しあげます
This is just about the worst article I have ever read.
今まで読んだ中でほぼ最悪の論文［記事］だ
This is just between you and me [ourselves].
ここだけの話だよ
This is just luck.
運がよかっただけさ
This is just one phase of the problem.
これは問題の一面にすぎない
This is just [only] talk rather than a meaningful statement of intent.
これは意図をもった発言ではなくただの戯れ言だ
This is merely an outline of a possible procedure.
これは単に可能な処置の概略にすぎない
This is my first visit to New York.
ニューヨークはこれが初めてです
This is my friend Peter Atkins.
こちらは友人のピーター・アトキンズです．
This is news to me.
これは初耳だ
