1.set to 开始努力干；把脸转向…

State support for low-income families is set to fall.
政府对低收入家庭的支持将减弱。

Putin appears set to change all that.
但普京明显开始着手要改变这一切。
2.on average 平均起来

Women have twice as much on average as men.
女人的平均存有量是男人的两倍。

And even if the trial works on average, that does not mean it will work for any particular individual.
即便这种检验平均上讲是有用的，也并不意味着他对一些特殊的具体状况同样适用。

3.spurn to 摒弃

People who spurn alcohol tend to be miserable social misfits, researchers have suggested.
研究人员提议，排斥饮酒的人往往悲惨可怜而与社会格格不入。

How long these two will spurn the capital backing of a commercial bank remains to be seen.
这两家投资银行还能坚持多久、不接受商业银行的资金支持，仍须拭目以待。

4.end up 结束；最终成为

I don't know how this will end up.
我不知道这件事将以何种方式结束。

It may end up having the opposite effect.
这或许会以适得其反而告终。