单词under-
pf.: 在下面；在…之下；（年龄）较小；（级别）较低
在下面；在…之下:
below; beneath
（年龄）较小；（级别）较低:
lower in age or rank
不足；未:
not enough
“不足”,“不够”,“不充分”:underact, underdevelop
“次于”,“低于”:undersecretary, undergraduate
“在以下”,“下面[下方]的”:underground
The driver has the responsibility to assure the children under 14 cannot sit in the front seats, unless they fasten the safe belt.
但是司机有责任确保14岁以下的孩子不要坐在前排，除非他们系好了安全带。
The reservoir is under such pressure that it has forced tongues of molten rock up towards the surface, producing eruptions and earthquakes.
受板块压力影响，岩浆以岩舌的形式冲向地表，形成喷发和地震。
And, in the excavated "the right of a home" and "Where the mouth" and so Miss Jane, its almost all under the "Zi" how much the record.
并且，在出土的“右某家”及“凡口”云云吴简中，其下几乎都有“訾”多少的记载。
Bring the United States under the control of a powerful offshore super bank known as the Bank of the World.
使美国受控于一个被称为世界银行的国外超级银行。
It was a low building, like a small convalescent home, with a driveway that passed under a portico.
那是一座低矮的楼房，就像一个小疗养院，在门廊的下面有一条车道。
Indeed, the main reason for making Mr Medvedev president under Mr Putin"s supervision was that it would preserve the status quo.
的确，梅德韦杰夫之所以在普京的监督下成为总统，其主要原因是这样有利于维持现状。
Professor Zhou said: "This was a surprise because each form is usually created under different conditions.
zhou教授说：“这是个惊喜因为每种形态通常是在不同的条件下形成的。”
vi users will love being able to type mail in KMail using a vi text-editor component (such a component is under development).
vi用户喜欢使用vi文本编辑器组件（这种组件正处于开发阶段）在KMail中输入邮件。
Reported that the injured have been transferred to local hospitals for treatment. Cause of the fire is still under investigation.
报道称，目前伤者已被转移至当地医院中进行治疗。火灾的原因仍在进一步调查之中。
Living up to your potential is not crossing off everything on your to do list on time, under budget.
达到你的潜力并不是按照计划在你的所要做的事情清单上按时地划掉每一项。