- 1
To infiltrate a place or group means to secretly get inside it, usually to spy on it, gather information, or cause harm from within — like a spy who infiltrates an enemy organization, or one company that infiltrates a market by quietly gaining a foothold. It's about entering without others knowing your real purpose.
滲透、潛入（通常帶有秘密、不懷好意的目的）
組成in- (into) + a piece related to 'filter' (to pass through something little by little). The idea is of slowly and quietly getting through, the way liquid passes through a filter.
同家族的字
- filterlikely shares the same root, related to slowly passing through
原始詞典資料8 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
infiltrateverb/ˈɪnfɪltɹeɪt/
- 1
To surreptitiously penetrate, enter or gain access to.
- The spy infiltrated the high-tech company and stole many secrets.
- Caithness was infiltrated with a palpable sense of being underimagined.
- 2
To cause to penetrate in this way.
- The agency infiltrated several spies into the company.
- 3
To pass through something by filtration.
- 4
To cause (a liquid) to pass through something by filtration.
- 5
medicinesciencesTo invade or penetrate a tissue or organ.
- High-grade tumors often infiltrate surrounding structures.
- In certain conditions, immune cells may infiltrate into the cerebrospinal fluid.
- 6
governmentmilitarypoliticsTo send (soldiers, spies, etc.) through gaps in the enemy line.
- 7
To move from a vein, remaining in the body.
infiltratenoun/ˈɪnfɪltɹeɪt/
- 1
medicinepathologysciencesAny undesirable substance or group of cells that has made its way into part of the body.
- One critical distinction to make is whether a focal corneal infiltrate is infected with bacteria or is a sterile immunologic response.
- Extensive lumpy infiltrates with a tendency to caseate and to form fistulas with purulent secretions appear, mainly in the anogenital region.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。