时常

Always keep food covered to prevent contamination by flies.

常把食物盖着以防苍蝇污染。

His opinions have always been distinctly heterodox.

他的观点常带有明显的异端色彩。

Grandfather is forgetful and often repeats himself when he tells a story.

祖父很健忘,他常重复。

Her poor French often lead to misunderstandings when she visits France.

她的法语很差劲，因而她访问法国常引起误会。

Sometime I can hear the laudatory words, sometime I can meet the random railer.

常会听到赞美的话，也会听到胡乱骂街的话。

Is it usual to have milk with meals?

用餐常喝牛奶吗?

Muggers often assault their victims on dark streets.

歹徒常在黑暗的街道上攻击被害者。

The young artist was often frustrated in his ambition to paint.

这位年艺术家的绘画抱负常遭到挫折。

Guaranteeing the safety of students requires continued vigilance on the part of teachers.

确学生安全，教师得常持警惕。

I was weaned on a regular diet of Hollywood fantasy.

我从小就常看好莱坞幻想片。

Regular surprise visits help to keep the staff on their toes.

常突击巡视能让员工们持永不懈怠。

Our actions often negate our principles.

我们的行为常与我们所信奉的原则背道而弛。

She claimed that the real crime is that burglars and muggers usually get a light sentence.

她声称，真正的罪行是常对入室盗窃者和抢窃者判刑过。

Check the engine oil level regularly.

常检查机油量。

Poverty and disease often go together.

贫穷和疾病常相伴而来。

Andrew describes him as respected and authoritative in the outside world but passive, unpredictable and rageful at home.

根据他的描述，父亲在外界是位受人尊重的权威人士，但是在家里却消极被动，情绪多变，甚至常暴怒。

He condemned religious sectarianism.

他常谴责宗派主义。

It is often used with a green counterstain such a fast green or a blue counterstain, e.g. hematoxylin.See staining.

使用常可与其绿色对应染料（固绿）或蓝色对应染料（苏木精）套染。

Refugees often go hungry.

难民常挨饿。

He is suffering from insomnia. Hence, he usually takes overdose of methaqualone, and that is all the worse for his health.

他患失眠症，因而常服用过量的安眠酮，但这对他的健康，反而更加不利。