名詞 loggerhead:

1. these words are used to express a low opinion of someone's intelligence
   同義詞：dunce, dunderhead, numskull, blockhead, bonehead, lunkhead, hammerhead, knucklehead, muttonhead, shithead, dumbass, fuckhead
2. very large carnivorous sea turtle; wide-ranging in warm open seas
   同義詞：loggerhead turtle, Caretta caretta

1. Mrs Smith enjoys setting people at loggerheads.
   史密斯太太喜歡挑撥離間。
2. He was such a tremendous fellow that he would go to loggerheads with everyone present.
   他是個很利害的人物，他會和在場的每個人吵架。

log.ger.head

n.（名詞）
A loggerhead turtle.
蠵龜
An iron tool consisting of a long handle with a bulbous end, used when heated to melt tar or warm liquids.
鐵頭棒：一種有長手柄的鐵制工具，手柄頂端有一球狀物，加熱后可以用于融化瀝青或加熱液體
Nautical A post on a whaleboat used to secure the harpoon rope.
【航海】 鐵索柱：捕鯨船上的樁子，用于拴魚叉上的繩子
Informal
【非正式用語】
A blockhead; a dolt.
笨蛋；傻瓜
A disproportionately large head.
大得不成比例的頭

<習慣用語>at loggerheads
Engaged in a dispute:
發(fā)生爭執(zhí)：
例句：
The question of car privileges put Sam and his parents at loggerheads.
關(guān)于使用汽車的權(quán)利的問題使山姆和他父母發(fā)生爭執(zhí)

來源：
Probably dialectal logger [wooden block] probably from log
可能為 方言 logger [木制障礙物] 可能源自 log
head
head