She worried that a moment of impulse would cost her her chastity.
Tips
culture
Carries the heavy moral baggage of traditional patriarchal ideas about female chastity (贞操). Common in classical literature, period drama, and conservative discourse. Modern progressive Chinese speakers tend to avoid it as ideologically loaded.
register
Formal/literary. The classical readings ("to lose one's life" or "to lose moral integrity") survive only in older texts. In contemporary use it almost always refers to female sexual chastity.
