Here is the translation of your content into English with explanations and examples:
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### 1. Chinese to English
- 绿化山区: Afforest the mountain district
- 绿篱: Hedgerow
- 绿宝石: Emerald (Note: "beryl" is a type of mineral, but "emerald" specifically refers to the green gemstone)
- 绿头鸭: Mallard
- 绿洲: Oasis
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### 2. English to Chinese
#### Phrases:
- **in the green**: 在青春期 (in one's youthful prime)
- **in the green tree**: 处于佳境 (at the peak of one's abilities or health)
- **to give sb. the green light**: 纵容某人 (to allow or approve someone to proceed)
- **green house**: 温室 (a structure for protecting plants from cold weather)
- **green hand**: 没有经验的生手 (a novice or inexperienced person)
- **green apple**: 未熟的苹果 (an unripe apple)
- **green corn**: 嫩玉米 (young or immature corn)
- **a green old age**: 老当益壮 (remaining strong and capable in old age)
- **green hand**: 新手 (a beginner or inexperienced person)
#### Example Sentences:
- We are green hands, so we must learn from the old workers.
→ **作为新人，我们一定要向老工人学习。**
- **Green 面带病容**:
- What’s wrong with you? You are looking green.
→ **你怎么了？脸色看起来很苍白。**
- **Green 嫉妒**:
- I was absolutely green (with envy) when I saw his splendid new car.
→ **我看到他那辆漂亮的新车时，嫉妒得要命。**
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### Additional Notes:
- The word "green" has multiple meanings in both Chinese and English. It can refer to color, inexperience, jealousy, sickness, or vitality depending on the context.
- For example, "green" as a metaphor for jealousy comes from the phrase "green with envy," which originates from the idea that jealousy makes one look pale or "greenish."
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