accountable

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 本词

  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

  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。