liable

Compared meaning: having a duty to answer for something (adjective).

比较义项：对某事负有责任、需负责任（形容词）。

• responsible

  The general, everyday word for having a duty or being in charge of something; neutral in register and used in ordinary situations, for both credit and blame.

  最通用、最日常的词，表示对某事负有主管之责或该负责任，语气中性，褒贬皆可，适用于一般情境。

  As team leader, she is responsible for meeting every project deadline.

  作为团队负责人，她要为按时完成每一个项目负责。

• accountable

  Stresses having to explain or justify one's actions to someone in authority; more formal than responsible and implies scrutiny or possible consequences.

  强调必须向某个上级或权威机构解释、交代自己的行为，比 responsible 更正式，暗示会受到审查或承担后果。

  Managers are accountable to the board for every decision they make.

  经理要对董事会负责，为他们做出的每一个决定作出交代。

• liable 本词

  Used mainly in legal or financial contexts, meaning legally responsible for loss, damage, or a debt; formal and often tied to punishment or compensation.

  多用于法律或财务语境，指依法对损失、损害或债务负有责任，语气正式，常与处罚或赔偿相关。

  The company could be liable for damages if the product proves defective.

  如果产品被证明有缺陷，公司可能要为损害赔偿承担法律责任。

Responsible, accountable, and liable all mean having a duty for something. Responsible is the general, everyday word, used in ordinary situations. Accountable stresses having to explain your actions to someone in authority. Liable is used in legal or financial contexts, meaning responsible for loss.

这三个词都表示“对某事负责”，但语气和场合不同：responsible 最通用，日常场合都可用；accountable 强调要向他人解释、接受问责，语气更正式；liable 多用于法律或财务语境，指依法承担责任。这里不比较 responsible 表示“可靠的，负责任的（性格）”以及 liable 表示“容易……的，很可能……的”（如 liable to catch cold）等其他义项。

Compared meaning: likely to happen or to succeed (adjective).

比较义项：很可能发生或很可能成功（形容词）。

• likely

  The most neutral, everyday word for saying something has a good chance of happening; used in ordinary speech and writing without any special formality or legal sense.

  语气最中性、最常用的词，表示某事很可能发生，日常口语和书面语中普遍使用，没有特殊的正式感或法律含义。

  She is likely to win the election next month.

  她很可能在下个月的选举中获胜。

• promising

  Describes a person, work or situation whose early signs suggest future success, not simply that something will happen; focuses on quality and potential rather than probability.

  用来形容一个人、作品或情况的早期迹象显示未来可能取得成功，强调的是素质和潜力，而不仅仅是发生的概率。

  The young violinist showed promising talent at just twelve years old.

  这位年轻的小提琴手在年仅十二岁时就展现出了有前途的才华。

• probable

  A more formal word for saying something is very likely to be true or to happen, often used in careful, analytical or written contexts rather than casual speech.

  语气更正式的词，表示某事很可能是真的或会发生，常用于严谨、分析性或书面语境，而不是随意的口语。

  Investigators listed engine failure as the probable cause of the crash.

  调查人员将发动机故障列为这起坠机事故很可能的原因。

• liable 本词

  Focuses on legal or financial responsibility for a bad outcome, typically followed by 'for'; separate from simple probability and carries a negative, often official tone.

  着重于对不良后果承担法律或经济责任，后面通常接for，与单纯的概率不同，带有负面、较正式的语气。

  The airline is liable for lost luggage if you report it within 24 hours.

  如果你在24小时内报告，航空公司将对丢失的行李承担责任。

Likely, promising, probable, and liable all suggest a good chance of happening or succeeding. Likely is the most common, neutral choice. Promising means early signs suggest future success. Probable is more formal, used in written contexts. Liable often means legally responsible for a bad outcome.

这几个词都表示“有可能发生或成功”，但语气和用法不同：likely最常用、语气中性；promising强调迹象良好、未来有潜力，而不只是概率；probable语气更正式，多用于书面或分析性语境；liable则常带负面色彩，多指容易招致不良后果或需承担法律责任，常与for或to连用。