liable
单词辨析：
指天生具有做某事的倾向的，常后接动词不定式。
This kind of apple is apt to go bad.
这种苹果容易坏。
Iron is apt to rust.
铁容易生锈。
Jack is apt to be impulsive.
杰克易于冲动。
只作表语，指因习惯或倾向性而易做某事或产生某种问题、患上某 种疾病等的，常后接动词不定式或介词 to。
The dog is liable to bite when angry.
这只狗生气时容易咬人。
This area is liable to flooding.
该地区易遭受水灾。
He is liable to catch a cold.
他易患感冒。
指可能发生或属实的，强调可能性。
Rain showers are likely tomorrow.
明天可能有阵雨。
What is the most likely cause of the problem?
造成这个问题最有可能的原因是什么？
尤指有发生不好或有害之事倾向的，通常作表语，常后接介词 to 或动词不定式。
He is prone to be/being late.
他容易迟到。
My mother is prone to headaches.
我母亲经常头痛。
Kids are mostly prone to eat junk food.
孩子大多喜欢吃垃圾食品。
相关例句：
Every man is liable to error.; No human being can be free from mistakes.
是人总要犯错误。
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。
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。
If their requests continue to be ignored, they are liable to start cutting up rough.
如果他们的要求仍得不到满足的话，他们很可能要闹起来。
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。
A minor is not liable on a cheque or bill of exchange.
未成年人对支票和汇票也不负责任。