Self-built
自建（self-build的过去式和过去分词）
🧩 词语组成解析
self
[self]
n. 自己;本人;本性;私利;
adj. 同一的;纯净的;单一的;
vt. 使自花授精;使近亲繁殖;
vi. 自花授精;
built
[[bilt]]
build的过去式和过去分词
🗣️ 情景例句
The way people act in private is often quite different to how they act when in public.
人们私下的行为跟公共场合的行为是截然不同的。
To have a shoeshine
给...擦皮鞋
I see.
我明白了。