painless /ˈpeɪnlɪs, ˈləs/

• 1. 

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

  例：

  Acupuncture treatment is gentle, painless, and relaxing.

  针灸治疗很温和，无痛，也很放松。

  例：

  The operation itself is a brief, painless procedure.

  手术本身是一个短暂、无痛的过程。

• 2. 

  painlessly ADV 无痛地 [ADV with v]

  例：

  ...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

  例：

  The journey is relatively painless, even with children.

  这趟旅程相对轻松，即使是带着孩子。

• 4. 

  painlessly ADV 不费劲地 [ADV with v]

  例：

  ...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。