Sentence: Because, if she should refuse, the sooner we consider some other plan, the better, seeing that now she is in good case and as careless as a bird on the bough, and she is less tractable to our purposes than when she felt the pinch of hunger and cold and would have jumped at anything for a bit of comfort.
Combination: a bird on the bough (root: bird, modifier: bough)
Property: unconcerned
Property type: emergent