天火字典

英日字典：くじゅう

くじゅう

苦汁：

(n)
bittern
concentrated solution of salts
(esp. magnesium chloride)
left over after the crystallization of seawater or brine
苦渋：

(n,vs,adj-no)
bitterness
mortification
difficulty in understanding
distress
affliction

(P)