Explanation

Could is a modal verb.

Could can be used for polite/formal request.

Could I have some more tea please?

کیا میں مزید چائے پی سکتا ہوں؟

Explanation

Once a blue moon meaning Rarely

ایک بار نیلا چاند کا مطلب ہے شاذ و نادر ہی

Example:  My sister lives in Alaska, so I only see her once in a blue moon.

Explanation

Here twenty years ago indicates past tense. 

We use second form of verb (completed) in simple sentence of this tense. 

She completed her degree twenty years ago means اس نے بیس سال پہلے اپنی ڈگری مکمل کی تھی

Explanation

The phrase "Honesty is the best policy".

Itmeans that being truthful and straightforward is the most effective and morally sound approach in life.

It leading to trust and long-term success.

Explanation

Usually no article before plural nouns.

I don't like dogs. 

I don’t like dogs means میں کتوں کو پسند نہیں کرتا ہوں

Explanation

Meteorology means علم موسمیات

Meteorology is the scientific study of weather and atmospheric conditions.

It involves forecasting and understanding climate patterns.

Explanation

Baden Powel was the founder and first Chief Scout of the world-wide Scout Movement.

 Jacques Rousseau was a philosopher and writer from Geneva.

Winston Churchill was the PM of UK.

Explanation

Paramount means بہت بڑے رتبے والا

Very important means بہت اہم

Explanation

She lives with Madiha means  وہ مدیحہ کے ساتھ رہتی ہے

With is a preposition here.