副詞secretly adv. 祕密地背地裏
例句：
He claims that several countries have developed nuclear weapons secretly.
他聲稱幾個國家已經祕密開發了核武器。
擴展資料
Anna secretly put a pair of blue gloves under the Christmas tree.
安娜偷偷地把一雙藍色手套放在聖誕樹下。
Drones can watch secretly on populations of animals in the wild， especially endangered ones.
無人機可以祕密觀察野生動物的`數量，特別是瀕臨滅絕的動物。
She was secretly pleased to see him.
見到他，她心中竊喜。
He secretly tried to help her at work.
他試圖悄悄地在工作上幫助她。
副詞是secretly，中文意思是adv. 祕密地暗自感覺地，私底下地
His wife Marie secretly entered him for the championship.他的妻子瑪麗偷偷給他報名參加錦標賽。
She was secretly vetted before she ever undertook any work for me.
她在爲我承擔任何工作之前受到了祕密審查。
secret adj. 祕密的，機密的不公開的善於掩飾自己的
n. 祕密，機密祕訣奧祕默禱
secretly adv.祕密地，背地裏
