indispensable
adj.不可缺少的,绝对必要的(essential,vital)
requisite
adj.必需的(indispensable,essential,required) n.(常与for连用)必需品
Please take all the requisites for travel with you.
请随身携带所有的旅行必需品。
crucial
adj.极重要的,有决定性的(decisive,critical)
This is a crucial war against corruption among senior government officials.
这是政府高层官员之间一场重要的反腐败斗争。
essential
adj.必需的,基本的(fundamental,vital)
Food is essential to life.
食物对生命是必不可少的。
fundamental
adj.基础的,基本的,根本的(basic,imperative) n.原理;原则
A fundamental of good behavior is consideration for others.
良好行为的基础是对他人的体贴。
prerequisite
n.先决条件 adj.首要必备的
Competence is prerequisite to promotion.
能力是晋升的先决条件。
vital
adj.极为重要的; 关系重大的
It is vital that education is given priority.
教育优先至关重要。
impropriety
n.不适当
incompetent
adj.不称职的
ineligible
adj.无资格的(disqualified);不适当的(unsuitable)
inept
adj.不适宜的(incompetent,inefficient)
unbecoming
adj.不配的,不适当的
The careless woman often wore unbecoming clothes to work.
那个粗心的女人经常穿不合适的衣服去上班。
unseemly
adj.不适宜的(unsuited,incongruous)
Jane was regretful for her unseemly behavior at the grand party.
简对她在盛大宴会上不体面的行为感到后悔。
unqualified
adj.不够格的,没有资格的(incompetent)
Tom is unqualified for the post.
汤姆不适合担任这个职务。
incapable
adj.无能力的,不能的(unable)