pinhead發音名詞1笨蛋、蠢蛋、呆瓜口語、貶義Some pinhead left the freezer door wide open all night.某個笨蛋把冷凍櫃的門整晚開著沒關。2針頭、針尖The rash started as red spots the size of a pinhead.疹子一開始只是針頭大小的紅點。3微小之物A pinhead of this substance is enough to poison a person.這種物質只要一丁點就足以毒死一個人。