conventional

usual, customary, habitual, conventional, regular

这些形容词均有“通常的，惯常的”之意。
usual: 普通用词，概念广泛。指经常发生或意料中的事，既可指自然发生的现象，也可指按个人习惯或惯例而做的事。
customary: 指特定的个人或群体的平常习惯，或习俗性的行为。
habitual: 指按个人习惯反复发生的事情。侧重经常性、习惯性。
conventional: 语气强，指遵守已成习惯的事情，强调符合惯例，由人们普遍认可。
regular: 着重遵守约定俗成的规则。

形容词 conventional:

1. following accepted customs and proprieties
2. conforming with accepted standards
   同义词：established
3. (weapons) using energy for propulsion or destruction that is not nuclear energy
4. unimaginative and conformist
5. represented in simplified or symbolic form
   同义词：formal, schematic
6. in accord with or being a tradition or practice accepted from the past
7. rigidly formal or bound by convention
   同义词：ceremonious

1. Her book is a hilarious send-up of a conventional spy story.
   她写的书用的是取笑传统侦探小说的笔法，令人捧腹。
2. According to conventional wisdom, voters usually make their choice on the basis of domestic issues.
   按一般人在这些问题上的看法，选民常常着眼于国内问题来选择候选人。
3. An aircraft powered by a conventional propeller and supported in flight by a freewheeling, horizontal rotor that provides lift.
   旋翼机在飞行中以常规的螺旋桨来驱动并靠惯性滑行支持的，提供升力的水平旋转仪
4. He often speaks a few conventional remarks.
   他总是喜欢说老生常谈的那几句话。
5. "How are you?" is a conventional greeting.
   “你好”是一个习惯问候语。

con.ven.tion.al

adj.（形容词）
Based on or in accordance with general agreement, use, or practice; customary:
传统的：根据或符合一致意见、用法或惯常做法的；习惯的：
例句：
conventional symbols; a conventional form of address.
常用的象征；称呼的惯用形式

Conforming to established practice or accepted standards; traditional:
传统的：遵循被确定的惯例或者被认可的准则的；传统的：
例句：
a conventional church wedding.
传统的教堂式婚礼

Devoted to or bound by conventions to the point of artificiality; ceremonious.
因袭的：过分注意或拘泥于习俗以致有点做作的；拘泥于俗套的
Unimaginative; conformist:
死板的：缺乏想象力的；墨守成规的：
例句：
longed to escape from their conventional, bourgeois lives.
渴望脱离他们那种呆板的中产阶级生活

Represented, as in a work of art, in simplified or abstract form.
因袭的：（如在艺术品中）以简单化或抽象形式表现出来的
Law Based on consent or agreement; contractual.
【法律】 契约的：根据一致同意或约定的；合同的
Of, relating to, or resembling an assembly.
会议的：会议的、与之有关的或类似于会议
Using means other than nuclear weapons or energy:
常规的：使用核武器或核能以外手段的：
例句：
conventional warfare; conventional power plants.
常规战争；非核动力发电站

【引伸】
conven.tionalism
n.（名词）
conven.tionalist
n.（名词）
conven.tionally
adv.（副词）