mortal sin

音标发音

Let not sin reign in your mortal bodies, to make you obey their passions.
不要容罪在你們必死的身上作王，使你們順從身子的私欲。
bolchicago.org
Venial sins lessen our fervour, lead us gradually to fall into mortal sin, and make us deserve much temporal punishment. (Sir 19:1; Mt 12:36)
答：減少人的熱心，使人漸漸陷於大罪，又使人應受許多的暫罸。（德19：1；瑪12：36）
So for those who think that just because an open core application or any application runs on Linux, therefore charging for the code is some sort of mortal sin, that is just ludicrous dude.
所以，如果有人要認爲，具備開放核心的應用程序或其他任何應用程序，衹要它們是運行在Linux上，進行代碼相關收費就是彌天大罪的話，對這些人的荒謬絕倫，我們大可嗤之以鼻。

Too many are now afraid they'll be accused of being "judgmental, " the secular equivalent of a mortal sin.
FORBES: Fact and Comment
Openly criticizing the Civil Rights movement is a mortal sin for politicians, even southern Republicans who obviously attempt to capitalize on lingering racial animus.
FORBES: The Anti-Putin Opposition and the US Civil Rights Movement
But the Court held that it was up to Congress to decide whether to use tax dollars for abortions, lest some individuals be required to fund activities that they regarded as a mortal sin.
FORBES: Should The Government Fund Abortions?

in the Roman Catholic religion, an action that is so bad that you will be punished for ever after your death if you do not ask God to forgive you

In the Roman Catholic Church, a mortal sin is an extremely serious sin. Catholics believe the person who has committed it will be punished after death unless they are forgiven by the Church.