To be so happy that one forgets all their troubles and sorrows; often used to describe a state of pure joy or contentment

to be so happy that one forgets all their troubles and worries

a drug or drink mentioned in literature and mythology that makes one forget sorrow; something that eases grief or pain

lotus tree; lotos

(literary) an object that makes one forget their sorrows, referring to alcohol

daylily; also known as [[萱草|萱草|xuan1 cao3]]