(of a person) not having common sense or the ability to understand or learn as fast as others
愚蠢的,笨的, not smart
extremely unreasonable or stupid, particularly in a manner that is likely to be dangerous
疯狂的, 愚蠢的
试图从行驶的火车上跳下来是疯狂的。
very foolish, unreasonable, or absurd
疯狂, 荒唐
lacking intelligence or the ability to think clearly
愚蠢的, 笨的
别傻了 – 在晒伤前涂上防晒霜。
lacking experience and wisdom due to being young
天真的, 幼稚的
他对人们善良的天真信念常常使他容易受到操纵。
behaving in a crazy or irrational manner
疯狂的, 疯癫的
你在雨中开那么快真是疯了。
having or showing excessive or uncontrollable worry or interest in something
痴迷的, 热衷的
他对工作的痴迷奉献使他忽视了个人关系和健康。
lacking sophistication, worldly experience, or social refinement
无知的, 天真的
他无知的言论暴露了对社交礼仪缺乏理解。
showing firmness in one's opinions and refusing to be swayed or influenced
坚决的, 固执的
他坚决拒绝在合同条款上妥协，导致谈判陷入僵局。
unaware or forgetful of something
未察觉的, 健忘的
她如此沉浸在思绪中，以至于对自己没关炉子的事实变得浑然不觉。
able to achieve what one wants through sly or underhanded means
狡猾的, 奸诈的
她对局势的狡猾操纵使她在谈判中占了上风。
(of an act or statement) causing trouble, harm, or inconvenience
恶作剧的, 淘气的
一个恶作剧的谎言被说出，让他看起来很糟糕。
lacking knowledge, understanding, or awareness about a particular situation or subject
无知的, 困惑的
在复杂的物理讲座中，学生看起来毫无头绪，努力理解这些概念。
having a limited perspective or outlook, often isolated and closed off from new ideas or influences
狭隘的, 孤立的
他狭隘的世界观使他无法考虑其他观点或想法。
failing to act with the appropriate level of care or attention, often resulting in harm or damage to others
疏忽的, 粗心大意的
司机因分心行为导致碰撞后被指控疏忽驾驶。
believing in irrational or supernatural ideas or practices, often based on luck or omens
迷信的, 相信迷信的
他迷信的习惯，无论走到哪里都带着幸运符，在不确定的时候安慰他。
using clever and usually deceitful methods to achieve what one wants
狡猾的, 诡计多端的
凭借他狡猾的伪装，他成功混入派对而不被认出。
lacking the ability to understand, reason, or make good decisions
不聪明的, 愚笨的
没有地图就去徒步旅行是一种不明智的行为。
having a tendency to be forgetful, disorganized, or easily distracted
健忘的, 心不在焉的
尽管她有心不在焉的倾向，但她还是设法完成了令人印象深刻的创造性壮举。
believing things very easily and being easily tricked because of it
轻信的, 易受骗的
她轻信的天性使她成为诈骗和不诚实销售策略的容易目标。
showing poor judgment or clumsiness in actions
笨拙的, 无能的
他对微妙局势的笨拙处理只会让事情变得更糟，加剧紧张局势而不是解决它们。
holding opinions or judgments influenced by personal bias rather than objective reasoning
有偏见的, 偏袒的
这篇文章似乎有偏见，忽略了相反的观点。
likely to forget things or having difficulty to remember events
健忘的, 容易忘事的
我健忘的本性导致我昨天错过了会议。
willingly obeying rules or doing what other people demand
顺从的, 服从的
顺从的员工毫无疑问地遵守公司的政策和程序。
lacking knowledge or understanding in a particular subject or area
文盲的, 无知的
当她意识到自己在计算机编程方面是文盲时，她感到尴尬。
failing to give the needed amount of attention and care toward fulfilling one's obligations
疏忽的, 懈怠的
她在回复重要邮件时疏忽大意，经常让邮件在她的收件箱里待上好几天。
taking advantage of opportunities, often with little regard for ethical considerations or the needs of others
机会主义的
当这位政治家根据公众意见改变他对这个问题的立场时，他的机会主义行为就很明显了。
