1. from the outset = from the beginning

From the beginning, he was suspicious. A few months later, he turned out to be a whistleblower in our company

2. immersed = within, in something

With the help of my teacher John in English Aloud, I was immeresed in the world of English study.

3. nationalistic = having national pride for your country

When somone is referred as a nationalistic person, it's a negative meaning quite a bit in this globalized world, isn't it?

4. trampling = stepping over something

Recently, on my way back home from work, I saw some of teen agers trample one person all over who looks weak on the street.

It was a shock to me.

Teacher John corrections

1.  From the beginning, he was suspicious.  A few months later, he turned out to be a whistle blower in our company.

2.  With the help of my teacher John at English Aloud, I have participated in full immersion English language classes.

3.  When someone is nationalistic, they are not in favor of globalization.

4.  Recently, on my way back home from work, I saw some teenagers trample over a weak person.  It was a shock to me.