a mortal sin

基本解釋

Is it a mortal sin not to participate in Mass on Sundays and holydays of obligation?
主日和儅守的瞻禮，不望彌撒，有大罪沒有？
and who performed, in “The French Line” in 1954, a number so raunchy, in a swimsuit so minimal, that the Catholic Church proclaimed it was a mortal sin to watch her.
或者因爲她在1954年的《萬事如意》片中大量穿著窄小泳衣的過於不雅的鏡頭，以至於天主教會宣稱觀看她的人罪孽深重。
Hindering impediments are certain conditions fixed by the Church, which make marriage unlawful. If they are neglected, a mortal sin is committed, but the marriage is valid.
是聖教會定的不許婚配的幾樣條例，若不守，就犯大罪，但是婚配是有傚的。
blog.sina.com.cn

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?