It is not understandable anymore

Harmid Karzai says he wishes American troops would stop killing quite so many Afghan civilians (including 50 or so this week in Herat province, mostly as a result of air strikes): “five years on, it is very difficult for us to continue to accept civilian casualties. It is not understandable anymore. ... It is becoming a heavy burden and we are not happy about it.” Or, to put it another way, for 5½ years he did accept thousands of civilian casualties, found them entirely understandable, considered them a light burden, and was not unhappy about them.