roach

roach — 名詞

1. a small freshwater species native to European rivers and lakes, with a silver-gr

1.名詞B1
釋義

擬鯉

歐洲小型淡水魚

a small freshwater species native to European rivers and lakes, with a silver-green body, sometimes caught by anglers for food

例句

Tanvi caught a small roach while fishing in the river near her house.

Tanvi 在她家附近的河裡釣到了一條小擬鯉。

countable noun with 'a'

The old fisherman pointed at the silver roach swimming among the rocks.

老漁夫指著那條在岩石間游動的銀色擬鯉。

同義詞
  • rudd

    a similar freshwater fish, often confused with roach in Europe

文法句型

a/the roach

plural: roach or roaches

用法筆記

Commonly used as both countable ('a roach') and uncountable when referring to the species as food ('we had roach for dinner'). The plural is usually unchanged ('three roach'), though 'roaches' is also accepted.

常見錯誤

❌I saw a roach in the kitchen' (when meaning the insect).
✅I saw a cockroach in the kitchen.
💡'roach' for the fish is formal; for the insect it is informal slang. Context matters.

2. a short informal word for a cockroach, a brown or black insect that lives in war

2.名詞B1
釋義

蟑螂

蟑螂的非正式說法

a short informal word for a cockroach, a brown or black insect that lives in warm, dirty places inside buildings and is difficult to get rid of

例句

Quinn screamed when a roach ran across the kitchen floor at midnight.

Quinn 看到一隻蟑螂在半夜跑過廚房地板，嚇得尖叫起來。

informal register: 'roach' instead of 'cockroach'

The old apartment had a roach problem that the landlord refused to fix.

那棟老公寓有蟑螂問題，房東卻拒絕處理。

同義詞
  • cockroach

    the full, formal term; 'roach' is the shortened informal version

文法句型

a/the roach

plural: roaches

用法筆記

This is the most common everyday meaning of 'roach'. In informal speech, 'roach' is far more frequent than 'cockroach'. Avoid this usage in formal writing — use 'cockroach' instead.

常見錯誤

❌There are roaches in the river.
✅There are roach in the river.
💡When referring to the fish, the plural is usually 'roach', not 'roaches'. 'Roaches' strongly suggests the insect.

3. the leftover stub of a smoked marijuana cigarette, what remains after most of th

3.名詞C1
釋義

大麻菸蒂

大麻捲菸抽剩的末端

the leftover stub of a smoked marijuana cigarette, what remains after most of the cannabis has been burnt away

例句

The officer found a roach in the ashtray on the balcony.

警察在陽台的菸灰缸裡找到一個大麻菸蒂。

slang term for marijuana cigarette butt

Quinn carefully put the roach out before going back inside the house.

Quinn 回到屋內之前先把大麻菸蒂小心捻熄。

同義詞
  • joint

    a whole marijuana cigarette, not the leftover end

  • spliff

    another slang term for a marijuana cigarette, more common in British English

文法句型

a/the roach

用法筆記

Slang term specific to cannabis use. Outside of this context, 'roach' refers to either a cockroach (sense 2) or a fish (sense 1). The meaning is usually clear from the situation.

常見錯誤

❌He stubbed out his roach' (when smoking tobacco).
✅He stubbed out his cigarette.
💡'roach' for a marijuana cigarette only, never for tobacco.

roach — 動詞