Translation guide
The English word "thrashing" can refer to violent physical movement, a decisive defeat, or a computing performance issue. This guide covers natural Japanese expressions for each meaning.
To describe a person, animal, or thing moving wildly and uncontrollably, often due to pain, panic, or effort.
Intransitive verb meaning to act violently, thrash about, or struggle. Commonly used for people or animals.
The caught fish is thrashing around in the net.
Intransitive verb meaning to struggle, writhe, or thrash about, often with a nuance of desperation or effort to escape.
He thrashed about trying to get out of the water.
Mimetic adverb + する verb meaning to thrash about, flail one's limbs, or struggle noisily. Often used for physical struggling or metaphorical panic.
The child is thrashing on the floor and crying.
Intransitive verb meaning to writhe in agony or thrash about violently, often due to extreme pain. Stronger and more dramatic than もがく.
The wounded beast was thrashing on the ground.
To describe a situation where someone or something is overwhelmingly defeated, especially in sports or competition.
Noun or する verb meaning a crushing defeat, a rout. Commonly used in sports and competitions.
Our team suffered a thrashing in yesterday's game.
Colloquial noun meaning a terrible loss, a thrashing. ボロ comes from ぼろぼろ (tattered).
Noun or する verb meaning a complete defeat, a shutout loss. Emphasizes being thoroughly beaten.
Transitive verb meaning to beat someone up or thrash them thoroughly. Can be used metaphorically for a decisive victory.
To describe a computer's hard drive working excessively, causing slowdowns.
Loanword from English, used in technical computing contexts to describe thrashing (excessive paging/swapping).
Thrashing is occurring due to insufficient memory.
Descriptive phrase meaning 'the disk is working violently/hard'. Not a fixed term, but understandable.
暴れる implies violent, uncontrolled movement, often with a sense of rampage. もがく focuses on struggling against a constraint or difficulty, often with a goal of escape. じたばたする is more about noisy, frantic flailing of limbs, often used for children or panicked adults.
Do not use physical thrashing verbs like 暴れる to describe a sports defeat. Use 大敗 or ボロ負け instead.
あの試合はボロ負けだった。
That game was a thrashing.
相手に完敗した。
We were thrashed by the opponent.
They thrashed the opposing team.
The disk was thrashing and the computer slowed down.