I would help him if he wanted.

IAEA এর সদর দপ্তর ভিয়েনা, অস্ট্রিয়ায় অবস্থিত

Enjoyable- Enjoyment

Intent-Intention

Manifesto- Manifest

Sense- Sensible

Starve- Starvation

If I had a cow, I would/could/might get pure milk.

If I were rich, I would travel around the world. 

In a body (together- একত্রে): We should work in a body. আমাদের সবার একত্রে কাজ করা উচিত।

In a fix (উভয় সংকটে পড়া) He was in a fix and did not know what to do.

In due course (যথাসময়ে) - We will consider the proposal and respond in due course.

In no time = I will go there in no time.

In spite of his working hard, he failed in the examination (Make it interrogative). 

= Though he worked hard, he failed in the examination.

Increase = বৃদ্ধি - Growth