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

No one can manage him when he starts being wilful.
他逞起性子来，谁都管不住。
If one gives to a child a toy too wonderful for its little mind, or too beautiful for its but half-awakened eyes, it breaks the toy, if it is wilful;
如果把一件玩具给一个小孩，这玩具对那颗小小的心来说太过美妙了，对那双懵懵懂懂的眼睛来说太过美丽了，要是小孩任性，就把玩具摔了；
He's bad-tempered and wilful.
他脾气很坏，而且蛮不讲理。
They eat too many sweets and fried foods, in wilful disregard of their health.
他们很任性，无视自己的健康，吃了太多的甜食与油煎食物。
So if it was first time wilful, no.
所以，如果这是第一次无意的，不是。
So the emergence of parliamentary-style parties in America is a formula for "wilful obstruction" and gridlock.
所以美国出现了这种议会制形态的政党，下场就只能是“蓄意阻挠”和僵局。
The court in Beijing condemned the man of wilful and malicious injury.
北京朝阳区法院对此案以故意伤害罪定性。
Don't be wilful as children.
别像孩子一样任性。
She is a wilful girl.
她是一个执拗的姑娘。
This might explain their apparently wilful oversight of an important event in Chinese history.
这或许可以解释他们何以对中国历史上的一件大事，视若无睹。