The lecture was so dull that soon the audience begin to drop away.

演讲单调乏味，不久，听众就开始陆续离席了。

youdao

When my grades even begin to drop at all, I feel as though I've failed. It's an awful feeling.

我的分数哪怕刚有点下降，我就会觉得好像自己已经失败了，那种感觉非常可怕。

youdao

The divorce rate is beginning to level off and probably will begin to drop in the next year or two.

离婚率正处于平稳阶段，在今后的一年到两年可能会下降。

youdao

And when they see that value begin to drop, they become very worried.

NPR: Financial Expert Examines Possibility of Recession

Start typing letters into the search box and links to posts and topic pages instantaneously begin to drop down.

FORBES: Inside Forbes: How Our New Typeahead Search Makes It Fast and Easy for Readers

If educators continue to do that then we will find that drop-outs will begin to increase at this level as students recognize the impossibility of their life chances at university and the increasing irrelevance of what they are doing at upper secondary schools.

UNESCO: Papua New Guinea: Report: Part III: Prospects