heartless汉语翻译：
a. 无情的, 无勇气的词型变化：
名词:heartlessness副词:heartlessly英语解释：
形容词 heartless:

lacking in feeling or pity or warmth同义词：hardhearted

devoid of courage or enthusiasm

例句：

"Do you know that Mary hasn't once driven over to see her father since he has been ill?" "I can well believe it. She always was a heartless girl.""你知道吗？自从玛丽的父亲病了，她一次也没有开车去看他。""我相信，她原来就是一个无情无义的女孩。"

The heartless witch cast a spell on the poor little girl.狠心的女巫对孤苦无助的小女孩施发妖术。

He later journeyed through the isle of Lemnos whose bold and heartless females, earlier, had slaughtered every male upon the island;他在那些大胆而残忍的妇女把所有她们的男子***死之后，曾经在雷姆诺岛旁边经过。

详细解释：
heart.less
adj.（形容词）
Devoid of compassion or feeling; pitiless.
缺乏同情或感情的；无情的
Archaic Devoid of courage or enthusiasm; spiritless.
【古语】 缺乏勇气或热情的；没精打采的
【引伸】
heart.lessly
adv.（副词）
heart.lessness
n.（名词）

heartless