This lack of enthusiasm has been going on for some time.

The reason for this lack of enthusiasm is pretty clear in my own home.

One reason is the lack of enthusiasm these days for new issues.

But Howard more than made up for her lack of enthusiasm.

But Robert didn't even seem to notice her lack of enthusiasm.

His voice was marked by a general lack of enthusiasm.

But on this particular night, at least, there was no lack of enthusiasm.

The lack of enthusiasm was so general that I offered to go myself.

Perhaps one reason for the lack of enthusiasm is their slow start.

"I offer that as a possible reason for the lack of enthusiasm," he said.