无情的英文：
pitiless
ruthless

参考例句：

The competition is relentless.
竞争是无情的。

Merciless criticism
无情的批评

Ruthless cruelty.
无情的冷酷。

An inexorable opponent
无情的对手

Having no pity;merciless.
无情的;毫无同情心的

Facts are inexorable
事实是无情的。

Showing no clemency;unmerciful.
冷酷的表现无情的;残忍的

Selfish in a petty way;unkind.
自私的，小气的；无情的

He made an inexorable demand.
他提出一个无情的要求。

was repelled by such ruthlessness
如此残忍无情令人憎恶

pitiless是什么意思：
a. 无情的，冷酷的，无怜悯心的

The fact stood out cut in steel on the pitiless daylight
在无情的光天化日下，这个事实是确凿无疑的。

The aged leader was exhausted by the exaction of a pitiless system
作为年迈的领导人，冷酷无情制度的苛求使他心力交瘁。

He's a pitiless lying in wait, a ferocious honesty and a marble informer.
他是一个无情的侦察者，一个凶顽的诚实人，一个铁石心肠的告密者。

In very truth gold is god today and rules with pitiless sway in the affairs of men
事实上，今天，黄金就是上帝，无情地统帅着人类一切事务。

a pitiless lying in wait, a ferocious honesty, a marble informer, brutus in Vidocq
他是一个无情的侦察者，一个凶顽的诚实人，一个铁石心肠的包探，一个具有布鲁图斯性格的维多克。

ruthless是什么意思：
adj. 无情的；坚决的

He was utterly ruthless in his determination to succeed.
他下定决心争取成功。

They represented a ruthless and illegitimate regime that could not remain forever.
他们代表了一个残暴的非法政权，这样的政权是不可能长久的。

Fly: Then bite them! Be ruthless, whatever it takes. Bend them to your will!
那就咬它们！无论如何都要变得残忍些，使他们屈服！

The 1956 uprising in Hungary was soon quelled By ruthless Soviet military action.
1956年匈牙利起义很快被残酷的苏联军队镇压了下去

We'll have to be ruthless if we want to eliminate unnecessary waste
如果我们要杜绝不必要的浪费,就得硬着心肠做。