Ainda não temos significados para "fall nervelessly".
1Then his face changed, his eyes dilated, his hands fell nervelessly by his side.
2He did not notice that she leaned back suddenly, and her hands fell nervelessly to her lap.
3Then, as his arms fell nervelessly by his side again, he thought that he heard Frankie's voice calling.
4"Not Evelyn;" again my arm fell nervelessly.