Rat poison must be kept where children can't reach it.
Tips
memory
Pure compound: 鼠 'rat/mouse' + 药 'medicine/drug' → 'rat-medicine' = poison. The same 药 in 农药 (nóngyào, pesticide) and 杀虫药 (insecticide) — when 药 follows the target, it usually means a substance to kill it.
