第三人称单数：commonplaces
形容词平凡的，陈腐的; 平庸的，普通的
名词老生常谈; 寻常的事物; 平常话，口头禅; 备忘录
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形容词
1. Some scientists believe that soon it will be commonplace for people to travel to the moon.
一些科学家相信，不用多久，人们到月球旅行会变成常见的事。
2. The fashionable remarks of today often become the commonplace expressions of tomorrow.
今天流行的时髦话明天常常成为陈腐之言。
名词
1. What he has said is a mere commonplace.
他所说的无非是老生常谈而已。
2. Jet travel is now a commonplace.
乘喷射机旅行现在是寻常的事。
1. 平凡的,陈腐的：8. Providence (大写)指上帝,天道,天令 | 9. commonplace 平凡的,陈腐的 | 10.inquiry 调查,探究(真理,知识等)
2. 平凡的：commonplace book 摘录簿 | commonplace 平凡的 | commons 平民
3. 平凡的,平庸的,陈腐的：nonsense 性情古怪的,胡说八道 | commonplace 平凡的,平庸的,陈腐的 | order 顺序
1. 平常的;不足为奇的
If something is commonplace, it happens often or is often found, and is therefore not surprising.
e.g. Foreign vacations have become commonplace...
去国外度假已经变得很平常了。
e.g. It is commonplace for snipers to open fire on aid convoys.
狙击手向救援车队开火的事情很常见。
2. 平常的事;司空见惯的事
A commonplace is something that happens often or is often found.
e.g. It's become a commonplace to see people collapsing from hunger in the streets.
现在在街上时不时会看见有人饿晕。
3. 老生常谈;陈词滥调
A commonplace is a remark or opinion that is often expressed and is therefore not original or interesting.
e.g. It is a commonplace to say that Northern Ireland is a backwater in the modern Europe.
说北爱尔兰是现代欧洲死气沉沉的落后地区已是陈词滥调了。