- an unattractive or unsatisfactory feature, especially in a piece of work or in a person's character缺点, 毛病, 不足：
my worst fault is impatience.
我最大的缺点是没有耐心。
- a break or other defect in an electric circuit or piece of machinery（电路或机器的）毛病, 故障：
a fire caused by an electrical fault.
电气故障引起的火灾。
- a misguided or dangerous action or habit错误（或危险）的行为（或习惯）; 错误, 过失, 过错：
the fault of the keen therapist is to start to intervene during the assessment phase.
那位急于求成的治疗专家的错误在于他在评估阶段就开始介入了。
- (in tennis and similar games) a service of the ball not in accordance with the rules（网球或类似运动用语）发球失误。
- （一般作 faults）(in showjumping) a penalty point imposed for an error（马术超越障碍赛中的）失误扣分, 罚分。
- mass noun responsibility for an accident or misfortune（对事故或不幸事件所负的）责任：
many people who get into debt do so through no fault of their own
许多负债人之所以欠债并不是他们自身的责任
it was his fault she had died.
她的死是他造成的。
- Geology an extended break in a rock formation, marked by the relative displacement and discontinuity of strata on either side of a particular plane【地质】断层。
- criticize for inadequacy or mistakes指责, 批评, 找…的差错：
her colleagues and superiors could not fault her dedication to the job
她的同事和上级对她的敬业精神无可挑剔
you cannot fault him for the professionalism of his approach.
他的进场飞行的水平之高让人无可挑剔。
- no obj. archaic do wrong〈古〉犯错误, 做错事：
the people of Caesarea faulted greatly when they called King Herod a god.
恺撒里亚人把希律王称为神是极大的错误。
be faulted
Geology (of a rock formation) be broken by a fault or faults【地质】（岩层）产生断层：rift valleys where the crust has been stretched and faulted
地壳拉伸并产生断层的裂谷
as noun faulting a complex pattern of faulting.复杂的断层构造型式。
at fault
- responsible for an undesirable situation or event; in the wrong有责任的, 有过错的：
we recover compensation from the person at fault.
我们从过失方那儿获得赔偿。
- mistaken or defective弄错的, 出错的; 有毛病的：
he suspected that his calculator was at fault.
他怀疑他的计算器有毛病。
find fault
- make an adverse criticism or objection, sometimes unfairly or destructively挑剔, 找岔子, 批评：
he finds fault with everything I do.
他对我所做的每一件事都要挑剔。
- to a fault
- (of someone who displays a particular commendable quality to an extent) verging on excess（在某种程度上表现出某种好品质的人）过分地, 过度地：
you're kind, caring and generous to a fault.
你善良、关爱他人、大方得有些过分了。