不常的

In informal style when is often used after be in definitions: A dilemma is when you don't know which way to turn.

在非正式文体中when 常在定义中用在 be 后面：进退两难就是当你不知道该走哪条路的时候。

Be skeptical of / about sth =be suspicious of sth

对。。不肯相信，常怀疑的

The misleading , false publicity is used as a valid unfair competition means by illegal operators.

"引人误解的虚假宣传"作为一种不正当竞争手段，常被不法经营者所用。

Angular cheilitis malnutrition and nutritional deficiencies in vitamin B family, or zinc deficiency often occur in persons to a lack of vitamin B group the most common cause of angular cheilitis.

营养不良性口角炎在营养缺乏和维生素B族或锌缺乏者中常有发生，以维生素B族缺乏引起的口角炎最常见。

Some key techniques were analyzed and studied, which contains cross flow drying, switching forward and reverse airflow, on-line controlling of temperature and humidity of drying medium and circulating use of heat energy etc..

针对热风干燥水产品过程中常出现的表面干燥脱水过快、内部水分扩散通道易堵塞，造成产品水分不均匀度值较大，影响产品烘后品质问题，设计了专用U型隧道式水产品烘房，并对横流干燥、气流正反向切换、干燥介质温度及湿度在线控制、以及热能循环利用等关键技术进行了分析与研究。

For a man most often described as clean-cut, Ben Bradshaw is not afraid of getting his hands dirty.

一名男子最常形容一刀切里，BenBradshaw提出，是不是怕得到他的手脏。

"We will not responsible for cleanness of the box.

22，本公司不负责常满储物箱的箱身清洁服务。

In the first chapter,we discuss the problem of (Z_2)~k-actions with fixed point set of constant codimension.

在第一章中，我们对具有常余维数不动点集的(Z_2)~k作用进行了研究。

If agreement failed, as it often does in revolutionary times, then, however, reluctantly, he would cut the Gordian knot, for the nation's government must be carried on.

如革命时期常发生的那样，如果达不成协议，那么，不管多么不愿意，他也得采取快刀斩乱麻的手段，因为国家的行政是不能中断的。

You always defend me against attack in silence, but I didn't know your effort

你常默默无声地防卫著我免受攻击，可是我不知道你的努力

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷