wilful

英 [ˈwɪlfl]

美 [ˈwɪlfl]

adj. 故意的; 有意的; 成心的; 任性的; 固执的; 倔强的

Collins.1 / BNC.14018 / COCA.44654

牛津词典

adj.

故意的；有意的；成心的
done deliberately, although the person doing it knows that it is wrong
1. wilful damage
  蓄意破坏
任性的；固执的；倔强的
determined to do what you want; not caring about what other people want
1. a wilful child
  任性的孩子

in AM, use 美国英语用 willful

ADJ 故意的，有意的，成心的(尤指意在造成伤害)
If you describe actions or attitudes aswilful, you are critical of them because they are done or expressed deliberately, especially with the intention of causing someone harm.
1. Wilful neglect of our manufacturing industry has caused this problem...
  故意忽略我们的制造业引起了这个问题。
2. A jury found the airline guilty of wilful misconduct because its lax security allowed a suitcase bomb on to the plane.
  航空公司安保措施漏洞百出，致使一颗放在手提箱里的炸弹被带上了飞机，陪审团因此认定其存在故意不当行为。
ADJ-GRADED 任性的;一意孤行的
If you describe someone aswilful, you mean that they are determined to do what they want to do, even if it is not sensible.
1. ...as the beautiful Lara becomes ever more wilful and irresponsible.
  随着漂亮的拉拉变得越来越任性、越来越不负责任

adj

habitually disposed to disobedience and opposition
Synonym:frowardheadstrongself-willedwillful
done by design
1. the insult was intentional
2. willful disobedience
Synonym:willful

To such perseverance in wilful self-deception Elizabeth would make no reply, and immediately and in silence withdrew;
他再三要存心自欺欺人，伊丽莎白可懒得再去理他，马上不声不响地走开了。
There is another form of wilful obscurity that masquerades as aristocratic exclusiveness.
还有一种故意造成的含糊其词，用以掩盖其贵族老爷式的孤傲态度。
This wilful teenager refused to listen to his parents.
这位小伙子故意不听父母的话。
No one can manage him when he starts being wilful.
他逞起性子来，谁都管不住。
Don't be wilful as children.
别像孩子一样任性。
I realised that you were from a wealthy family but definitely not a wilful girl.
我意识到你来自一个富裕的家庭但是并不是一个不好相处的女孩。
Such wilful blindness makes me worry what catastrophes we are now cultivating for the years ahead.
这种视而不见的行为让我担心，今后我们将孕育出什么样的灾难。
Wilful neglect of our manufacturing industry has caused this problem
故意忽略我们的制造业引起了这个问题。
So if it was first time wilful, no.
所以，如果这是第一次无意的，不是。
The universe is a society of wilful personalities, not an irrefragable chain of cause and effect.
宇宙是一个各种固执的个体的社会，而不是原因和结果之间无懈可击的链条。