To begin with, cars contribute to air pollution.(首先，汽车加剧了空气污染。)
To begin with, as the saying goes, the best bosses understand the art of delegation.(首先，正如俗话所说，最好的老板懂得授权的艺术。)
But as with any study of this kind, it was unclear if that was the cause—or if breakfast-skippers were just more likely to be overweight to begin with.(但是，就像任何这类研究一样，原因尚未可知——即，还不清楚不吃早餐是否能导致他们更容易超重。)
To begin with, only by taking actions can we find the best way to solve those problems we are facing, but as a bystander, we can learn nothing meaningful.(首先，只有采取行动，我们才能找到解决这些问题的最好方法，但作为旁观者，我们可以学到任何有意义的东西。)
Frankly, I should never have done that to begin with.(坦白说，我开始，就不该那么做。)
We'll go slowly to begin with.(我们开始时会慢慢来的。)
These are likely to be modest steps, to begin with.(所有这些可能只是开始时候迈出的一小步。)
Ordinary superconductivity is weird to begin with.(普通超导现象的出现就是奇异的。)
To begin with, they will have to find out whether life has ever existed on the planet of Mars in the past.(首先，他们必须搞清楚火星上是否曾经存在过生命。)
If you are hoping to form a new relationship tread carefully and slowly to begin with.(如果你希望建立一种新的关系，开始时就要小心缓慢行事。)
