Sentence:  As for the night being warm , he would have been comfortable naked on Mount Everest but his water brothers had <WSD>little</WSD> tolerance for changes in temperature and pressure ; he was considerate of their weakness , once he learned of it . 
Meaning of the word marked with <WSD> tags:  (quantifier used with mass nouns) small in quantity or degree; not much or almost none or (with `a') at least some