You may feel the effects within a few hours, but ricin is generally a slow acting poison, taking 1-3 days to cause death.
虽然中毒后几小时就会感到异常，但蓖麻毒素一般被认为是种慢吞吞毒素，大致需要一至三天才致人于死。
冰与火之歌：魔龙的狂舞（中英对照）
Her love for Daario is poison. A slower poison than the locusts, but in the end as deadly. " There is still Jhogo, " Ser Barristan said. " Him, and Hero. Both precious to Her Grace" .
"Slow Poison" is a 2009 song by the American indie rock band The Bravery. It was the first single from their album Stir the Blood. It peaked at #23 on the Billboard Hot Modern Rock Tracks chart and at #40 on the Rock Songs chart.