completely annihilated

基本解释

The Nanyang Fleet which initiated by Zuo and funded by Hu, were completely annihilated thereupon.
由左宗棠首倡、胡雪岩筹款创建的南洋舰队就此全军覆没。
Finally,Nanyang Fleet, initiated by Zuo Zongtang and financed by Hu Xueyan, was completely annihilated.
由左宗棠首倡、胡雪岩筹款创建的南洋舰队就此全军覆没。
Thus, Nanyang Fleet, initiated by Zuo Zongtang and financed by Hu Xueyan, was completely outplayed and annihilated.
由左宗棠首倡、胡雪岩筹款创建的南洋舰队就此全军覆没。

The assistance is there, but it doesn't enable you to truck up huge hills super fast -- it'll give you enough of a boost so that you're not completely annihilated, but doesn't do all the work by a longshot.
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This makes sense for such large files, as a means to cut the downlink time and save your capped data plan from getting completely annihilated in one fell swoop, but don't be expecting to get the best possible quality from it.
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