ruthless
adj
1 having or showing no pity or compassion; cruel 无怜悯心或同情心的; 残忍的
show ruthless disregard for other people's feelings 对别人的感情漠不关心
a ruthless dictator 残酷的独裁者
be utterly ruthless in one's determination to succeed 下决心争取成功对一切毫不留情.
2 never slackening or stopping; unremitting 决不松懈的; 永不停止的; 持久的
set off at a ruthless pace 勇往直前
ruthless schedules, demands 决不放松的时间安排、 要求.
Fierce wars between Native Americans and European settlers broke out.
美洲土著人和欧洲殖民者之间发生了激烈的战争。
The men took him in their boat to the castle on the coast where he was now held prisoner.
这些人用船把他送到海岸上的城堡里,如今他被囚禁在这儿。
I am sorry that you have a disagreement with your father. Personally, I think it is important to follow your interests and your abilities, and it sounds as though you have plenty of both of these already.