"the houses were randomly scattered" "bullets were fired into the crowd at random"
例句
用作副词(adv.)
Bondsmen may withhold their services arbitrarily.保人可以任意地不提供服务。
Physical properties are, in turn, arbitrarily subdivided into many categories.物理特性，可以被任意地分为许多种类。
You can not compare him with someone you knew before, then judge him arbitrarily.不能拿他跟旧相识去比较，然后武断地去评判他的好坏。
Arbitrarily dismissing the direct link between increasing sexual promiscuity and the rapid spread of sexually transmitted diseases would be foolhardy.武断地无视性乱行为的增多和性传播疾病的迅速蔓延之间的直接联系是鲁莽的。
