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1·The operation itself is a brief, painless procedure.

手术本身是一个短暂、无痛的过程。《柯林斯英汉双解大词典》

2·Acupuncture treatment is gentle, painless, and relaxing.

针灸治疗很温和，无痛，也很放松。《柯林斯英汉双解大词典》

3·The treatment is painless.

这种治疗无疼痛。《牛津词典》

4·The interview was relatively painless.

此次面试相对轻松。《牛津词典》

5·The journey is relatively painless, even with children.

这趟旅程相对轻松，即使是带着孩子。《柯林斯英汉双解大词典》

6·The whole process makes buying a car privately as painless as buying from a garage.

这整个过程使得私下买车和从汽车行买一样轻松。《柯林斯英汉双解大词典》

7·As much as we might wish it, there is no painless recovery after such a long bout of overleveraging.

正如我们可能希望的那样，在经历如此漫长的一轮高杠杆化之后，不会有无痛的复苏。

8·All solutions must be painless.

所有的解决之道都必须没有痛苦。

9·Good lending sites make mortgages painless.

好的贷款网站使抵押更容易。

10·The upgrade from 1.83 to 2.51 was painless.

从 1.83 升级到 2.51 非常容易。

无痛的

1·The operation itself is a brief, painless procedure.

手术本身是一个短暂、无痛的过程。《柯林斯英汉双解大词典》

2·Acupuncture treatment is gentle, painless, and relaxing.

针灸治疗很温和，无痛，也很放松。《柯林斯英汉双解大词典》

3·This reduces cost and overhead associated with governance, or what we call painless governance.

这减少了与治理相关的成本和开销，或我们称为无痛治理。

4·The ugly fact is that there is no painless way out of our financial mess.

一个丑陋的现实是，没有无痛方法可以救治我们的金融混乱。

5·The site states that hanging is painless, but who knows if it is?

这个网站介绍说上吊是一种无痛的方式，但谁又真正知道是否如此？

不痛的

1·Known as a chalazion, this hard, painless mass typically comes up quickly over a few days. It's most common in people with oily skin.

通常称为睑板腺囊肿，这个硬硬的、不痛的块状物通常会在几天内迅速长出，在油性皮肤的人身上最常见。

2·The laser treatment of eye injuries is simple and painless .

用激光治疗眼伤既简单又不痛。

3·I decided to make his end as painless as possible.

我决定使他的末端一样不痛尽可能。