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Question 1

Involve e.g. risk

Answer 1

Entail(large investments always entail some risk)

Question 2

Impair

Answer 2

Mar (The text was marred by mistakes)

Question 3

Illegal

Answer 3

1. Illicit (Not only prohibited by rules but also dismayed by people) e.g illicit affair,

Question 4

Illegal(allowed by rules but not by moral ideas)

Answer 4

Forbidden, prohibited(e.g fruit)

Question 5

Important(pretty important)

Answer 5

-sth is of paramount(very) importance
-sth is of concern

Question 6

Increase in power

Answer 6

Be on the rise

Question 7

Increase in power

Answer 7

Be on the rise

Question 8

Imprisonment

Answer 8

Confinement

Question 9

Irreversible

Answer 9

Irrevocable

Question 10

Intended to do something

Answer 10

to get round to something/Ving
e.g. I still haven’t get around to fixing that trousers, but I’ll get myself doing it ASAP.
-I wanted to watch Avatar 2 to, but I hadn’t got round to it for until last week.

Question 11

I absolutely forbid you to..

Answer 11

Under no circumstances should/must/can you tell anyone about the plan.

Question 12

Increase prices

Answer 12

Put up one’s/sth’s fees
e.g. If the gym hadn’t put up it’s fees last month, I would still be a member.

Question 13

important, having huge influence on sth

Answer 13

instrumental (in)
e.g.Andras was instrumental in finishing Nyari estek