1. 很可能
    When something is liable to happen, it is very likely to happen.

liable的翻译

    e.g. Only a small minority of the mentally ill are liable to harm themselves or others.
           在精神病患者中，只有一小部分有可能会伤害自己或他人。

2. 有…危险的；可能遭受…的；有…倾向的
    If people or things are liable to something unpleasant, they are likely to experience it or do it.

    e.g. She will grow into a woman particularly liable to depression...
           她长大成人后会特别容易患抑郁症。
    e.g. Steroids are used to reduce the inflammation, which makes the muscles of the airways liable to constriction.
           类固醇用于消除可能导致气道肌肉收缩的炎症。

3. （在法律上）有责任的，有义务的
    If you are liable for something such as a debt, you are legally responsible for it.

liable在线翻译

    e.g. The airline's insurer is liable for damages to the victims' families...
           航空公司所投的保险公司有责任向受害者家属赔付损害赔偿金。
    e.g. As the killings took place outside British jurisdiction, the Ministry of Defence could not be held liable.
           谋杀案发生在英国司法管辖范围外，故国防部无须对其负责。