在许多文化中，偷窃被视为一种罪恶。

In many cultures, stealing is regarded as a ___sin.

背叛信任你的人是一种严重的罪过。

Betraying someone who trusts you is a terrible ___sin.

她为自己对父母撒谎而感到愧疚。

She felt guilty for having ___sinned by lying to her parents.