1.       pivotal point

critical point

2.       stroke of genius

outstandingly brilliant idea

3.       distortion

exaggeration

4.       to distort the truth

to exaggerate reality

5.       backup

help/support

6.       to barge forward

shove forward

7.       hallmark

a mark stamped on articles of gold, silver, or platinum by the British assay offices, certifying their standard of purity.

8.       exuberant learning

enthusiastic learning

9.       intriguing person

interesting man/woman

10.   unathletic girl

lacking the qualities (such as agility or muscular strength) characteristic of an athlete : not athletic

11.   remedial course

Lately, the term is most often used to describe courses given to students who are not prepared for regular work. New college students often have to take remedial classes before they can begin actual university-level courses

12.   locust

a large, mainly tropical grasshopper with strong powers of flight. It is usually solitary, but from time to time there is a population explosion and it migrates in vast swarms which cause extensive damage to vegetation

13.   to plunge in ejoyment

jump or dive quickly and energetically into joy

14.   to devise something

1. plan or invent (a complex procedure, system, or mechanism) by careful thought.

"a training programme should be devised"

2. (law) leave sg legally