► 成句頭痛 [ずつう] [
頭痛の種]
meaning: problem rank: 3☆
彼の
息子は頭痛の
種だ ⇨ His son is a seed, source, of headache (for him)
► 名詞頭痛 [ずつう]
meaning: pain rank: 2☆ ひどい頭痛がする ⇨ I have a horrible headache
(☛ When used alone, it only refers to a medical condition, never a problem/trouble)More examples:- 彼女は頭痛を鎮めるために薬を飲んだ ⇨ She took a medicine to relieve her headache