This is a more natural way: We shouldn't pursue people smugglers if it would put the lives of the refugees at risk. - This means that there would be a liklihood that one or more refugees would be killed. We shouldn't pursue people smugglers at the expense of the lives of refugees" - This means that some refugees are certain to be killed.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.