プログレッシブ和英中辞典(第4版)の解説
たんに【単に】
only; merely; simply
今は単に一つのことだけを説明しておこう
I will explain just one point now.
理由は単にそれだけではなかった
That was not the only reason.
彼は単に絵画だけでなく彫刻にも優れていた
He was distinguished not only in painting but (also) in sculpture.／He was distinguished in sculpture as well as in painting.
それは単に少数派の意見に過ぎない
It is merely [no more than/nothing but] the opinion of a small minority.
それは単に女の虚栄から出たことだ
It arose simply from feminine vanity.
彼は聞いたことを単に繰り返すばかりだった
「He only repeated [All he did was (to) repeat] what he had heard.