declare seriously宣称;声明
answer seriously认真地回答
Seriously do认真去做;严重吗
not seriously认真地
Piracy seriously盗版严重
Seriously man认真的男人
Sufficient seriously足够认真
seriously harm严重侵害
regard seriously过分介意
ADV（副词） You use seriously to indicate that you are not joking and that you really mean what you say. 说真的 [ADV with cl]
Seriously, I only smoke in the evenings.
说真的，我只在晚上抽烟。
CONVENTION（习惯表达） You say "seriously" when you are surprised by what someone has said, as a way of asking them if they really mean it. 当真 [口语]
"I tried to chat him up at the general shop." He laughed. "Seriously?"
“我试图在杂货店同他搭讪。”他笑着说。“当真?”
（） → see also serious
PHRASE（习语） If you take someone or something seriously, you believe that they are important and deserve attention. 把某人/某事物当回事
It's hard to take them seriously in their pretty grey uniforms.
他们穿着灰灰的制服，很难让人把他们当回事。