explenation

ostap77 said:

"He didn't manage to come up with any explanation."

OR

"He didn't manage to deliver any explanation."

OR

"He didn't manage to offer any explanation."

Are three sentences acceptable?

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bhaisahab said:

I wouldn't use "manage to" in the second and third examples, it's fine in the first. Can you see why?

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ostap77 said:

I'll try.Is it because 2) and 3) imply somewhat of a negative meaning? What would you change it to? "Succeed in" or "couldn't"?

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bhaisahab said:

When we use "manage to" in that way it implies that some effort was required, it wasn't easy, it requires effort to "come up with" something, to "offer" or "deliver" something doesn't have the same feeling of effort being required.
In the second and third examples I would say simply, "He didn't offer..." and "He didn't deliver..."

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ostap77 said:

What if a person is a scientist and has been trying to explain a phenomenon, doesn't in involve some effort?

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