A guerrilla is a fighter who does not belong to a country's regular army. Guerrillas work in small groups.

A guerrillaguerrilla is a fighter who does not belong to a country's regular army是不屬於一個國家正規軍隊的戰士. Guerrillas work in small groupsguerrilla通常是小團體行動的.

They usually know the land well — hills, forests, cities — and they use that. They hide, move fast, and strike where a bigger army is weak, then they disappear. They do not line up in open fields the way a regular army might.

They usually know the land well他們通常很熟悉地形 — hills, forests, cities山丘、森林、城市 — and they use that而且會善用這一點. They hide, move fast, and strike where a bigger army is weak他們躲藏、行動快速，在大軍隊比較弱的地方出擊, then they disappear然後就消失. They do not line up in open fields the way a regular army might他們不會像正規軍那樣在空曠的戰場上排隊列陣.

You will also see the word in front of another noun: guerrilla war (or guerrilla warfare) is this kind of fighting. Later people stretched it in a lighter way: guerrilla marketing means a small, surprising, often cheap way of grabbing attention, then vanishing — like the fighters, but for selling.

You will also see the word in front of another noun你也會看到這個字放在另一個名詞前面: guerrilla war (or guerrilla warfare) is this kind of fightingguerrilla war（或guerrilla warfare）指的就是這種打法. Later people stretched it in a lighter way後來人們把它用得比較輕鬆: guerrilla marketing means a small, surprising, often cheap way of grabbing attention, then vanishingguerrilla marketing指的是一種小規模、出其不意、通常成本低的抓眼球方式，出手完就消失 — like the fighters, but for selling就像那些戰士，只是用在賣東西上.

In news about real fighting the word is serious. The marketing use is informal, and though actually some people dislike it, because it borrows a war word for adverts.

In news about real fighting the word is serious在講真實戰鬥的新聞裡，這個詞是很嚴肅的. The marketing use is informal行銷上的用法比較隨性, and though actually some people dislike it不過其實有些人不喜歡這種用法, because it borrows a war word for adverts因為它把一個戰爭用詞借去講廣告.