relentless

Relentless in his pursuit of quality, his technical ability was remarkable.

由于对质量的坚持不懈的追求，他的技术能力非同凡响。

He is a relentless man without patience.

他是一个没有耐心的无情之人。

Their desires rambled on like unstoppable bores, relentless and whimsical at the same time.

他们的欲望就像永不停歇的无聊之人，既无情又异想天开。

The minister's voice was a relentless drone.

该大臣的声音是无休止的絮叨。

Americans are deeply concerned about the relentless rise in health care costs and health insurance premiums.

美国人对医疗费用和健康保险费用的持续上涨深感担忧。