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Today I saw this sentence from [this
page](http://www.guidetojapanese.org/learn/grammar/causepass):

> その部長は、よく長時間働かせる。

After chopping the sentence up, I found out that it means something around the
lines of:

> That manager makes people work for very long periods of time.

But I could not understand why よく is there. So I scrolled down to look at the
English translation, but that said nothing about why よく is here.

From my knowledge, よく is the adverb form of 良い (いい), which means "good".

But it does not make sense to use "well" or anything like that to describe the
action of making people work for a long time! Who wants to work for long
hours! How is it "good"?

Why exactly is よく used here? Is it something related to the causative form?
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2016-10-31T11:47:22.727
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2016-10-31T15:43:16.553
2016-10-31T14:24:58.430
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question
adverbs causation
What does よく mean in よく長時間働かせる?
You should note that the adverb
[_よく_](http://jisho.org/search/%E3%82%88%E3%81%8F) has many meanings that
include

> often, frequently.

It doesn't always mean

> nicely, well, skillfully, etc.

It all depends on context.
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2016-10-31T11:58:02.667
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answer
it means "That manager **often** makes people work for very long periods of
time" よく in this sentence means "often"
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2016-10-31T15:43:16.553
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answer