Synonims

Question 1

Understand

Answer 1

Realise
Acknowledge
Recognise
Be aware of
Appreciate 
Grasp
Keep up with
Get to know
Follow
Unravel
See the light about

Question 2

flimsy

Answer 2

light
insubstantial
fragile
breakable
frail
slight
flimsy excuse
without material strength

Question 3

Good

Answer 3

commonsense , firm
hard, informed
just, justified,
logical, rational
sensible, solid
valid, well-founded
actual, real, true
certain, sure
certified, validated, verified
confirmed, corroborated, substantiated
cogent, convincing, credible
colorable, plausible

Question 4

By all means

Answer 4

certainly, surely
of course, indeed
definitely, without a doubt

Question 5

Fetch

Answer 5

Go for and then bring back ( something or someone ) for someone

Question 6

Perk

Answer 6

Ventaja

Question 7

I think

Answer 7

From my point of view
I guess
From my perspective
To my mind
Personally speaking
I would say
I imagine 

I guess it will rain tomorrow

Question 8

I don’t like it

Answer 8

It doesn’t really do it for me 
It’s not my thing 
I am not really a fun of skying 
I not really into skying
I’m not keen on doing my tax return 
Skying is not my cup of tea
Skying doesn’t float my boato