YSK: If you threaten violence against guys who might hurt your daughter/sister/female relative, there's a good chance that if a guy does hurt her, she won't tell you about it
from /r/YouShouldKnow
YSK: 如果你威脅要對可能傷害你女兒/姐姐/女性親屬的人使用暴力，那麼很有可能如果一個人真的傷害了她，她不會告訴你。