You use strangely to emphasize that what you are saying is surprising.
例句
Strangely, the race didn't start until 8.15pm...很奇怪，賽跑直到晚上 8 點 15 分才開始。No, strangely enough, this is not the case.不，說來也怪，事情不是這樣的。
英漢詞典釋義
adv.
奇妙地;不可思議地;怪異地
Strangely enough,I said the same thing to my wife only yesterday.說也奇怪,我就在昨天也同妻子談到這件事。The air was strangely still and silent.天空異常沉寂寧靜。The girl who checked me out looked at me strangely.給我結賬的姑娘奇怪地打量了我一下。He left strangely.他奇怪地離開了。
英英詞典釋義
Adverb
1. in a strange way;
"he was strangely silent"
2. in a strange manner;
"a queerly inscribed sheet of paper""he acted kind of funny"