1.when it comes to 谈及
Most of us know we should cut down on fat. But knowing such things isn't much help when it comes to shopping and eating
我们大多数人都知道应该减少脂肪的摄入量。但是在购物和吃东西的时候，这些常识就丢到一边去了。
2.pertain to 关于
The restrictions he imposed pertained to the type and height of buildings and the activities for which they could be used...
他限制的是建筑物的种类和高度以及它们的用途。
3.recover from 恢复
She returned to her family home to recover from an illness.
她回家养病来了。
4.toss-up 机会相等
It's a toss-up whether oil prices will go up or down over the days ahead.
油价在今后的日子里会上涨还是下跌都有可能。
5.slip back into 陷入
When it is all over Japan can slip back into the shadows.
而一切结束后，日本又能退回到阴影中。
