underweight
underweight — 形容詞
1. Having a body weight that is lower than what is considered healthy or normal for
體重過輕
體重低於健康或正常標準
Having a body weight that is lower than what is considered healthy or normal for a person or animal of a certain height and age.
The doctor told Lien that her kitten was slightly underweight and needed more food.
醫生告訴 Lien，她的小貓體重過輕，需要多吃點食物。
collocation: slightly underweight (degree modifier)
Many stray animals that arrive at the shelter are underweight and require special care.
許多送到收容所的流浪動物體重過輕，需要特別照顧。
Ziad was underweight as a child but gained a healthy weight during his teenage years.
Ziad 小時候體重過輕，但到了青少年時期就長到健康體重了。
After his illness, Mateo was underweight and the doctor gave him a special diet.
Mateo 生病之後體重過輕，醫生給了他一份特別的飲食計畫。
The nurse weighed baby Mira and noted she was a little underweight for her age.
護士幫 Mira 量了體重，發現她以年齡來看稍微體重過輕。
- thin
neutral term; does not necessarily imply a health concern
- skinny
informal, often carries a negative or critical tone
- undernourished
focuses on insufficient food intake rather than weight alone
- emaciated
much more extreme; describes someone dangerously thin from starvation or illness
- overweight
the opposite end of the weight spectrum
- obese
a more severe form of excess weight
文法句型
be + underweight
underweight + noun
用法筆記
Common in medical and health contexts. Frequently used with degree modifiers such as 'slightly,' 'severely,' or 'dangerously.'
常見錯誤
underweight — 名詞
1. The general condition of weighing less than what is considered healthy, viewed a
體重不足
體重低於一般標準的狀態
The general condition of weighing less than what is considered healthy, viewed as a population-level health indicator rather than a body-type-adjusted classification.
A UNICEF report tracked underweight rates among children under five in rural Tanzania over five years.
一份 UNICEF 報告追蹤了坦尚尼亞鄉村五歲以下兒童的體重不足比例，為期五年。
collocation: underweight rates among [population] for tracking
Doctors often check for underweight during routine health screenings at school.
醫生經常在學校的健康篩檢中檢查體重不足的情況。
collocation: check for underweight
Dr. Liang reported a rise in underweight among first-year college students on campus.
Liang 醫師回報校園內大一新生體重不足的情況有所增加。
Beatrix started a school breakfast programme in her town to help reduce underweight among young students.
Beatrix 在她鎮上發起了一項學校早餐計畫，幫助減輕年輕學生的體重不足問題。
- thinness
a more general term that does not necessarily imply a health concern
- low body weight
a descriptive phrase often used in clinical notes
- overweight
the condition of having more than the normal body weight
文法句型
diagnosed as + underweight
underweight among + group
用法筆記
Often used in clinical or research contexts when discussing underweight as a population-level health indicator rather than describing an individual.
2. A medical label used when a person's weight falls below the expected range when
體型偏瘦
依年齡身高體型判斷體重偏低
A medical label used when a person's weight falls below the expected range when adjusted for their age, height, and body build.
Dr. Sahil explained that the growth chart flags underweight only when weight is low relative to a child's height.
Sahil 醫生解釋，成長曲線圖只有在體重相對於兒童身高偏低時才會標示體型偏瘦。
collocation: flags underweight (noun as object of verb)
Dr. Anjali told the parents that underweight based on height alone ignores a child's muscle development.
Anjali 醫生告訴家長，只根據身高判斷體型偏瘦，可能會忽略孩子的肌肉發展。
The sports medicine team studied underweight in marathon runners by comparing weight against lean muscle mass.
運動醫學團隊透過比較體重與精瘦肌肉量，研究馬拉松跑者中的體型偏瘦現象。
Diego compared underweight figures from two school districts to see if the free lunch programme worked.
Diego 比較了兩個學區的體型偏瘦數據，想了解免費午餐計畫是否有效。
- low weight-for-age
a clinical term used in paediatric growth assessments
文法句型
underweight for + age/height/build
用法筆記
Distinguish from noun sense 1 (BELOW NORMAL) — this sense specifically relates to body-type-adjusted standards used in growth charts and health screenings, not the general state of low weight.