spark plug
spark plug — 名詞
1. A small part screwed into an engine block that fires a tiny electric spark. The
火星塞
引擎內以電火花點燃燃料的零件
A small part screwed into an engine block that fires a tiny electric spark. The spark burns the fuel, starting the engine and keeping it running.
Mei's mechanic replaced the spark plugs, and her car started easily again.
Mei的技師更換了火星塞，她的車子又能輕鬆發動了。
replace + spark plugs
A failed spark plug makes the engine sound rough and hard to start.
火星塞故障時，引擎會發出不順的聲音且難以發動。
spark plug fails → engine trouble
Emre checked the spark plugs in his lawnmower before cutting the overgrown grass.
Emre在割除長得太高的草之前，先檢查了割草機的火星塞。
Kasia pulled the worn spark plug from her scooter and pedalled to the shop for a new one.
Kasia從她的機車上拆下磨損的火星塞，踩著腳踏車去店裡買新的。
Marta paid a small fee to have new spark plugs fitted in her delivery van.
Marta付了一小筆費用，請人為她的送貨廂型車換上新火星塞。
- ignition plug
a more technical term used mainly in engineering and repair manuals
- sparking plug
an older British term, now largely replaced by 'spark plug' in everyday use
用法筆記
Used only for petrol (gasoline) engines. Diesel engines use glow plugs instead — the two parts work on different principles and are not interchangeable.
常見錯誤
2. A person whose energy pushes a group into action, keeping everyone moving and ge
推動者
為團隊或計劃注入活力的人
A person whose energy pushes a group into action, keeping everyone moving and getting things done.
Sahil was the spark plug behind the weekend park clean-up — nothing moved without him.
Sahil是週末公園清掃活動的推動者——沒有他，一切都動不起來。
the spark plug behind [project]
The marketing team lost its spark plug when Beatriz moved to a different company.
Beatriz轉到別家公司後，行銷團隊就失去了推動者。
Apinya was the spark plug of the restaurant kitchen, rallying the tired crew through a packed Saturday shift.
Apinya是餐廳廚房的推動者，在週六繁忙的班次中鼓舞著疲憊的團隊。
Amani was the quiet spark plug of the student council, always pushing projects to completion.
Amani是學生會裡低調的推動者，總是默默地推動計劃直到完成。
Without a spark plug like Hiro, the charity event would have fallen flat.
少了像Hiro這樣的推動者，那場慈善活動就會變得死氣沉沉。
- driving force
similar meaning but less informal; often used about ideas or principles, not just people
- catalyst
more formal; suggests a single action or presence that triggers change
- dynamo
emphasises non-stop personal energy; can sound slightly old-fashioned
- mover and shaker
implies power and influence in a professional setting, not just enthusiasm
用法筆記
Frequently used with 'the' and followed by 'behind', 'of', or 'in' to name the group or activity the person energises. More common in American English.