inject
inject — verb
1. To deliver a liquid medicine or drug beneath the skin using a hollow needle, typ
To deliver a liquid medicine or drug beneath the skin using a hollow needle, typically into a muscle or a vein.
Diya's doctor injects insulin into her abdomen every morning before breakfast.
inject + substance + into + body part
The nurse injected the flu vaccine into Benjamin's upper arm.
The dentist injected a local anesthetic into Tamas's gum before pulling out the damaged tooth.
Travelers visiting certain regions must be injected with a yellow fever vaccine before their trip.
The paramedic injected a dose of adrenaline directly into Ife's thigh muscle.
- administer
broader term; can mean giving medicine by mouth, injection, or other methods
- shoot up
very informal; almost always refers to injecting illegal drugs
文法句型
inject + object (substance) + into + person/body part
用法筆記
Object is typically the substance being injected (insulin, vaccine, anesthetic), not the needle. The recipient can be introduced with into (inject insulin into her abdomen) or as a passive subject (she was injected with insulin).
常見錯誤
❗ 'The nurse injected a needle into my arm.' ✅ 'The nurse injected the vaccine into my arm.' — You inject the substance, not the needle or syringe.
2. To add a new quality, feeling, idea, or amount of money to a situation, discussi
To add a new quality, feeling, idea, or amount of money to a situation, discussion, or system, often with the aim of improving or changing it.
Caio's jokes injected some much-needed humor into the tense business meeting.
inject humor into [situation]
The central bank decided to inject two billion dollars into the struggling banking system.
inject money into [system]
Yael's enthusiasm injected new life into the tired project team.
Minh injected a note of caution into the discussion when everyone else felt too optimistic.
The arrival of a young competitor injected fresh energy into the slow-moving market.
- remove
to take something out of a situation
文法句型
inject + abstract noun (humor, energy, money) + into + situation/system
用法筆記
Common with abstract objects such as humor, energy, enthusiasm, money, cash, life, competition. The preposition into always follows the object. Frequently used in business and financial contexts for injecting capital.
常見錯誤
❗ 'She injected humor in the conversation.' ✅ 'She injected humor into the conversation.' — The figurative sense always takes into, not in.