That could be good advice. If you strike high up on a tree with an axe, the chip of wood that is cut off will fall into your eye.

VOA: special.2010.01.17

Whoever does work on it, that person is cut off from among his kin.

不管谁在这一天工作，这个人要和他的家族断绝关系。

耶鲁公开课 - 旧约导论课程节选

So z equals 7 -- this is the cut-off where, in fact, the sigma orbital is going to be higher in energy than the pi 2 p orbitals.

所以z等于7-这是分界点，实际上，sigma轨道能量,要比π2p轨道高。

麻省理工公开课 - 化学原理课程节选

She was famous for her beauty. Madame Pierre Gautreau is wearing a low-cut black dress that shows off her pale skin.

VOA: special.2010.08.04

z And what you need to remember is if the z 8 is equal to eight or greater, such as oxygen being the cut-off point, this sigma 2 p orbital is actually lower in energy than the pi 2 p orbitals, the molecular orbitals.

你们要记住如果,等于或者大于，就像O是分界点，这时sigma2p轨道,比π2p轨道能量更低。

麻省理工公开课 - 化学原理课程节选

Despite the criticism of its neighbors, the Egyptian government is believed to be building a wall to cut off the smuggling tunnels used to transport goods and, Israel alleges, weapons to the territory.

VOA: standard.2010.06.01

How do you scale this whole thing up to a billion people," The project's main aim is to help improve the delivery of inefficient public services and cut corruption, which the government admits results in siphoning off benefits intended for the underprivileged.

VOA: standard.2009.09.24