Margaret asked the sister for a cup of water, and while she ran to fetch it (knocking down the fire-irons, and tumbling over a chair in her way), she unloosed Bessy's bonnet strings, to relieve her catching breath.

 exhausted, and Margaret asked this sister for a cup of water. While she ran to fetch it (tumbling over a chair in her way), Margaret unloosed Bessy's bonnet strings, to let her catch her breath.
