in all seriousness

常见例句

"I thought it was good to give Sean a gigantic challenge, " Otellini explains in all seriousness.
“我认为让马宏升接受这个巨大挑战是个好事，”欧德宁一脸严肃地解释说。
John Dewey has said in all seriousness that the part played by custom in shaping the behaviour of the individual, as against any way in which he can affect traditional custom
约翰.杜威曾经非常严肃地指出：风俗在形成个人行为方面所起的作用和一个对风俗的任何影响相比
The title passed out of the Shiell family in 1947 and is contested by at least two groups who argue, not in all seriousness, for Redonda's independence.
1947年，国王的头衔传到希尔家族以外，至少有两群人争夺王位，他们都要求（有些并不真正要求）里东达独立。

But, in all seriousness, this advice is diametrically opposite to the values espoused by Steve Jobs.
FORBES: Steve Jobs Showed It's Not Indulgent to Follow Your Bliss, It's Required
Just use it as a show of prowess to other criminal organizations (in all seriousness).
FORBES: How To Sell Stolen Art, And Why You Shouldn't Bother
In all seriousness, we do seem to be entering a very entrepreneurial period generally.
FORBES: Silicon Valley Gets Real, Thanks Bravo