動(dòng)詞 malnourish:

1. provide with insufficient quality or quantity of nourishment
   同義詞：undernourish, malnourish

形容詞 malnourished:

1. not being provided with adequate nourishment

1. A severe, often gangrenous inflammation of the mouth or genitals, occurring usually after an infectious disease and found most often in children in poor hygienic or malnourished condition.
   走馬疳，壞疽性口炎嘴或生殖器部分嚴(yán)重的經(jīng)常為生疽性的發(fā)炎，通常在感染了傳染病后發(fā)生，最常發(fā)病于衛(wèi)生條件極差或營(yíng)養(yǎng)狀況不良的孩子
2. Don't always eat hamburgers for meals, or else you'll get malnourished.
   別總把漢堡包當(dāng)飯吃，不然你會(huì)營(yíng)養(yǎng)不良的。

mal.nour.ished

adj.（形容詞）
Affected by improper nutrition or an insufficient diet.
營(yíng)養(yǎng)不良的：受營(yíng)養(yǎng)不良或食量不足影響的