feedback
/ˈfiːdbæk/ (bre, ipa) · /ˈfiːdbæk/ (ame, ipa) · /ˈfēd-ˌbak/ (ame, mw)
feedback — noun
1. opinions from people telling you whether they think something or someone is good
opinions from people telling you whether they think something or someone is good or bad, often used to make improvements
The manager asked all staff for feedback on the new training program.
ask + for + feedback + on [topic]
Customer feedback helped the design team improve their product before the launch.
customer/employee/user + feedback as subject
Élise received positive feedback from her supervisor about the quarterly report.
Ife asked her classmates for honest feedback on her presentation skills.
The company collects feedback from customers through online surveys and phone calls.
- comments
more general; can refer to casual remarks, while feedback implies evaluation or assessment
- input
suggests contributing ideas or suggestions, often in a collaborative setting
- response
emphasises the reactive nature; feedback can be unsolicited, while a response answers a direct request
- critique
more formal and detailed, often analysing strengths and weaknesses in depth
文法句型
give/receive/collect + feedback
feedback + on/about + something
feedback + from + someone
positive/negative/constructive/honest + feedback
用法筆記
Frequently paired with verbs like give, receive, get, collect, provide, and ask for. The preposition 'on' or 'about' introduces the topic (feedback on the report), while 'from' introduces the source (feedback from users).
常見錯誤
2. a loud, high-pitched, unpleasant noise produced when a microphone or other input
a loud, high-pitched, unpleasant noise produced when a microphone or other input device picks up sound from a speaker that is playing the amplified signal, creating a repeating loop
The loud feedback from the microphone made the audience cover their ears.
feedback + from + [audio device]
Ravindra adjusted the speaker position to stop the unpleasant feedback noise.
During the live concert, a sudden feedback sound interrupted the singer's performance.
The sound engineer placed the speakers in front of the stage to reduce audio feedback.
文法句型
cause/produce + feedback
loud/high-pitched + feedback
feedback + from [equipment]
reduce/stop/eliminate + feedback
用法筆記
The noise is created when sound from a speaker re-enters a microphone and gets amplified again, forming a loop that rapidly escalates. Common in live music, PA systems, and video calls.
常見錯誤
3. a design in which some of what a machine or electronic device produces goes back
a design in which some of what a machine or electronic device produces goes back into itself, allowing it to self-correct or maintain a stable state
The thermostat uses feedback from the room temperature to adjust the heating.
uses + feedback + from [sensor] + to [action]
In robotics, feedback from sensors helps the machine correct its own movements.
Engineers designed a feedback loop to keep the factory equipment running smoothly.
Takeshi studied how feedback in the control system prevents the engine from overheating.
- control loop
a more specific engineering term for the cyclic path of monitoring and adjustment
- regulation
broader concept of maintaining a desired state, not limited to systems that return output to input
文法句型
feedback + loop/mechanism/system
feedback + from [sensor/source]
positive/negative + feedback (in engineering)
use/provide + feedback
用法筆記
Frequently occurs in technical compounds: feedback loop, feedback system, feedback mechanism. In engineering, 'positive feedback' amplifies a change (potentially causing instability), while 'negative feedback' counteracts changes to maintain stability.