an overcharge on a bill
collocation账单上的多收费用
She noticed an overcharge on her electricity bill.
她注意到电费账单上有一笔多收的费用。
多收的费用；过高的收费
overcharges — plural of overcharge
过重的负担；过度的负荷；过重的负担或负荷；账目中的过高收费；错误地向顾客收取的超过正确价格的任何金额；超载
An amount charged beyond the correct price, especially in a bill.
过重的负担或负荷
An excessive load or burden.
账目中的过高收费
An excessive charge in an account.
错误地向顾客收取的超过正确价格的任何金额
Any amount erroneously charged to a customer above the correct price for a product or service.
The customer noticed an overcharge on his bill and demanded a refund.
顾客注意到账单上有多收费，要求退款。
用法提示：句中 overcharge 作为名词，指多收的费用。
The store was reported for overcharge after several complaints from shoppers.
这家商店在收到多位顾客投诉后因收费过高被举报。
用法提示：句中 overcharge 作为名词，指过高的收费行为。
He avoided the taxi because of the frequent overcharge for short trips.
由于短途经常被多收费，他避免坐出租车。
用法提示：句中 overcharge 作为名词，指多收费的现象。
多用于账单和会计语境，强调‘多收’这一行为或结果；比 overcharge 更正式，常见于商业、法律文本。
侧重‘定价’本身过高，不一定已经实际支付；与 overcharge 相比，更强调价格水平而不是多收的金额。
非正式、口语化，语气强烈，常用于形容商品或服务‘太坑’；不宜用于正式账单或法律文本。
针对“多收的费用；过高的收费”这一名词义项；undercharge 同样作名词，指收费过低，与 overcharge 的收费方向相反。
账单上的多收费用
She noticed an overcharge on her electricity bill.
她注意到电费账单上有一笔多收的费用。
退还多收的费用
The store agreed to refund the overcharge after I complained.
我投诉后，商店同意退还多收的费用。
更正多收的款项
The hotel corrected the overcharge on my credit card statement.
酒店更正了我信用卡账单上的多收款项。
发票上的多收金额
The audit found an overcharge on the invoice.
审计发现发票上有多收的金额。
发现一笔多收费
He discovered an overcharge when he checked the receipt.
他核对收据时发现了一笔多收费。
over-（过度）+ charge（收费/负担）
被多收费时，账单是显示收费金额的凭证
顾客可凭收据核对是否被多收费
发现多收费后，顾客通常会要求退款
对多收费不满时，顾客会提出投诉
不正确的过高收费与商品或服务的标价有关
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Dictionary facts from ECDICT, WIKTIONARY, WORDNET.