Translation guide
How to express 'overcharge' in Japanese, covering commercial overcharging, excessive fees, and related expressions.
The most common meaning: a business or person asks for more money than is fair or correct.
A straightforward, neutral phrase meaning 'to bill/charge a high amount'. Often used when the price is higher than expected or fair.
あの店はいつも高く請求する。
That store always overcharges.
Technical meaning: to put too much electrical charge into a battery.
Standard technical term for 'overcharge' in the context of batteries.
バッテリーを過充電すると危険です。
Overcharging the battery is dangerous.
To give someone too much work, responsibility, or emotional burden.
Means 'to place too much burden on someone'. Natural for overloading with work or stress.
彼に負担をかけすぎないでください。
Don't overburden him.
The English verb 'overcharge' does not have a single direct equivalent in Japanese. Use context-appropriate phrases like 高く請求する for billing, or 過充電する for batteries. Literal translations like オーバーチャージ are not natural.
Both mean 'to rip off', but ぼったくる is more common in everyday speech and strongly implies a scam. ふっかける can also mean 'to pick a fight' or 'to demand unreasonably', so context matters.
Colloquial verb meaning 'to rip off' or 'to overcharge outrageously'. Implies intentional, unfair pricing, often in tourist areas or shady businesses.
観光地でぼったくられた。
I got ripped off at a tourist spot.
Verb meaning 'to charge an exorbitant price' or 'to demand an unreasonable amount'. Stronger than 高く請求する, but less colloquial than ぼったくる.
タクシー運転手がふっかけてきた。
The taxi driver tried to overcharge me.
Formal term for 'overbilling' or 'excessive charging', used in business or legal contexts.
その会社は過剰請求で訴えられた。
The company was sued for overcharging.
Everyday expression using すぎる (to do too much). More conversational than 過充電する.
スマホを充電しすぎるとバッテリーが劣化する。
If you overcharge your smartphone, the battery deteriorates.
Formal expression for 'to apply excessive load', used in technical or business contexts.
システムに過剰に負荷をかけると停止する。
If you overload the system, it will stop.