ingenious

Compared meaning: clever or full of clever ideas (adjective).

比较义项：聪明机巧、有巧思（形容词）。

• neat

  Informal; usually describes a simple, clever idea, trick or solution rather than a person's ability; mild, everyday praise, not used for skilled people or objects.

  口语化；通常形容一个简单巧妙的想法、办法或诀窍，而不是形容人的能力；语气轻松随意，不用来形容擅长某事的人或实用的物品。

  He found a neat way to fold the map so it fits in his pocket.

  他想到了一个巧妙的办法，把地图折起来正好放进口袋。

• handy

  Describes a person's practical skill, especially working with hands or tools; often used with 'with' or 'at'; not used to call an idea or plan clever.

  形容人的动手能力强，尤指使用双手或工具做事；常与“with”或“at”搭配；不用来形容想法或计划本身很聪明。

  My grandfather is very handy with a hammer and can fix almost anything.

  我祖父很擅长使用锤子，几乎什么都能修。

• ingenious 本词

  Formal; describes a highly creative, inventive idea, device or method (or the person behind it), stronger and more impressive than 'neat'.

  较正式；形容非常有创造力、别出心裁的想法、装置或方法（或提出它的人），语气比 neat 更强烈、更令人赞叹。

  The scientists built an ingenious device that turns ocean waves into electricity.

  科学家们制造了一种精巧的装置，能把海浪转化为电力。

Neat, handy, and ingenious can all mean clever. Neat is informal, for a simple, clever idea. Handy describes a person's practical skill with hands or tools. Ingenious is formal, for a creative idea. This does not cover neat as tidy, or handy as convenient.

这三个词都可以形容“聪明、有巧思”，但语气和搭配不同：neat 强调想法简单巧妙，语气随意；ingenious 强调有创造力、更正式；handy 侧重形容人动手能力强、擅长实际操作。这里不比较 neat 表示“整洁的”的意思，也不比较 handy 表示物品“方便实用”的意思。