迅速增加或增多：指在已经很繁重的情况下，进一步增加负担或困难。
...play fast... piece up修补... pile it on夸张... pile out成群离去，蜂拥而出...
夸张
Things aren't really that bad—she does tend to pile it on.
事情并没有那么糟糕，她的确有意夸张。
It's probably not as bad as she says she does tend to pile it on.
大概不像她说的那么糟——她确实有意夸大事实。
He does pile it on: anyone would think that he's the only one with domestic problems.
他的确是夸大其词：任何人都会以为他是唯一有家庭问题的人。
And if all of the possible brackets were filled out on standard paper and stacked on top of each other, how big would the pile be?" It would actually go from the earth to the moon and back,1.1 million times,".
VOA : standard.2009.03.25
For a song about making do with something small and meaningful, it sure does pile on extra reasons to love it intensely.
For private equity investors, the final test is whether a venture will generate sufficient cash flow to service the debt they plan to pile on it in order to pay themselves big dividends and recoup their initial investment--to "get their bait back, " in Wall Street parlance.
Courts in California and other states are allowing suits over the sin of helping a company pile on debt it cannot repay.