adj.不仁慈的,无情的,残酷的;
英文例句/中文翻译:
They chatted for an unmerciful length of time.
他们聊了一个过分长的时间。
One day, however, it is trampled by the unmerciful warfare.
有一天,它却被战争的车轮无情践踏。
Unmerciful edge of knife keep on at innocent frontal eminence.
无情的刀刃儿纠缠着无辜的额角。