painless

1. ADJ If something such as a treatment is painless it causes no physical pain. 无痛的

Acupuncture treatment is gentle, painless, and relaxing. 针灸治疗很温和，无痛，也很放松。

The operation itself is a brief, painless procedure. 手术本身是一个短暂、无痛的过程。

2. painlesslyADV 无痛地[ADV with v]

...a technique to eliminate unwanted facial hair quickly and painlessly. …一项迅速且无痛地去除面部多余汗毛的技术。

3. ADJ If a process or activity is painless, there are no difficulties involved, and you do not have to make a great effort or suffer in any way. 不费劲的

The journey is relatively painless, even with children. 这趟旅程相对轻松，即使是带着孩子。

4. painlesslyADV 不费劲地[ADV with v]

...a game for children that painlessly teaches essential pre-reading skills. …轻松地教给孩子们必要的读前技巧的一个游戏。