n.

1. （宗教或道德上的）罪，罪孽，罪惡[C][U]
   It's a sin to waste food.

   浪費食物是一種罪孽。

2. （違反禮節，習俗的）過錯，過失[C][（+against）]
   It's a sin to stay indoors on such a fine day.

   這樣的好天氣留在屋裡實在不該。

3. 【口】荒唐的事，無聊的事，蠢事[C]

vi.

1. 違反教規；違命；犯罪[（+against）]
   Alice is accused of sinning against this unwritten law.

   愛麗斯被指責違反這條不成文法。

2. 犯過失[（+against）]

vt.

1. 犯（罪）
2. 過罪惡生活而糟蹋掉（健康等）[（+away）]

n.

1. an immoral act considered to be a transgression against divine law.
2. an act regarded as a serious offence.

v.

abbrev.