high-grade

/ˌhaɪ ˈɡreɪd/ (bre, ipa) · /ˌhaɪ ˈɡreɪd/ (ame, ipa) · /ˈhī-ˈgrād/ (ame, mw)

high-grade — 形容詞

1. made from materials or methods that are clearly better than what is usually avai

1.形容詞C1
釋義

高級的；優質

用上等材料或方法製成的

made from materials or methods that are clearly better than what is usually available, so the final product is more valuable, more reliable, or longer-lasting.

例句

The watchmaker uses only high-grade Swiss steel for the gears inside each timepiece.

這位製錶師只用高級的瑞士鋼來製作每只錶內部的齒輪。

attributive: high-grade + material noun

Paloma chose a high-grade olive oil for the salad dressing she served at the dinner.

Paloma 選了一款優質的橄欖油來調製晚餐時端上桌的沙拉醬。

high-grade + food product

同義詞
  • premium

    common in marketing language for the most expensive tier of a product

  • top-quality

    everyday spoken alternative; less technical than high-grade

  • superior

    more formal; often compares two specific items rather than a whole class

反義詞
  • low-grade

    direct opposite; cheaper materials, weaker performance

  • inferior

    broader; can describe people, work, or products

文法句型

high-grade + noun

用法筆記

Almost always attributive (placed before a noun); rarely used after 'be'. Common with materials (steel, copper, oil), foods, fuels, and technical components.

常見錯誤

❌These plates are high-grade.
✅These are high-grade plates.
💡'high-grade' normally sits before the noun, not after 'be'.
❌a high-grade student
✅a top student
💡'high-grade' describes products or materials, not people.

2. in medical contexts, describing a disease, tumour, or fever that is at the more

2.形容詞C2
釋義

高度惡性的

醫學上指病情嚴重或快速惡化

in medical contexts, describing a disease, tumour, or fever that is at the more dangerous end of its scale and likely to spread quickly or cause serious harm.

例句

Doctors confirmed that Yan had a high-grade tumour that needed immediate chemotherapy.

醫師證實 Yan 罹患了高度惡性的腫瘤，必須立即進行化療。

domain medical: high-grade + tumour

The child arrived at the clinic with a high-grade fever of nearly forty degrees.

這名孩童被送到診所時，發著將近四十度的高燒。

high-grade + fever

同義詞
  • aggressive

    common in cancer reports; emphasises rapid growth

  • severe

    broader; works outside medicine too

  • advanced

    often refers to the stage rather than the biological grade

反義詞
  • low-grade

    milder form of the same condition, slower-growing

文法句型

high-grade + medical noun

用法筆記

Restricted to medical reports and clinical speech; distinguishes a more aggressive form of a condition from its 'low-grade' counterpart. Distinguish from sense 1: this sense never describes manufactured goods.

常見錯誤

❌She felt high-grade today.
✅She had a high-grade fever today.
💡'high-grade' modifies the illness or symptom, not the person.