1. Watch the videoclips with idioms
• not a rocket science – something that is not so difficult
• in the long run – from the long-term perspective
• comfort zone – standard method of working that requires only little effort
• ballpark figure – an approximate number or quantity
• go the extra mile – to do some extra work in order to achieve better result
2. Practice your knowledge in a quick exercise
Rough numerical estimate
Other way to say "over long period of time"
Idiom "it's not a rocket science" means:
When you are not trying to make any effort to change your current status, you are in your comfort...
Idiom "go the extra mile" means:
Idioms 3
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More exercises:
Idioms exercises #1
Idioms exercises #2
Idioms exercises #3
Idioms exercises #4