二、unkind
adj.无情的;不够和善的,不亲切的;冷酷的
I think it's a bit unkind to describe the ship in those terms.
我觉得用那些字眼来形容这艘船有点刻薄。
三、castiron
铸铁制成的,不屈的,严厉的
1、He is a man of cast-iron will.
他是一个意志刚强的人。
2、I have a small fireplace with a cast-iron surround.
我有一个带铸铁边饰的小壁炉。
四、acrimonious
adj 严厉的,辛辣的,刻薄的
The acrimony of his remarks alienated his audience.
他说话尖刻,这使观众和他疏远了。
五、rigid
adj.僵硬的;严格的;(规则、方法等)死板的;刚硬的,顽固的
Its members are bound by a rigid code of ethics which includes confidentiality
它的成员受到包括保密在内的一套严格的伦理规范的约束。