How to speak English like Native Speakers?

source: Learn English with Let's Talk     2017年7月23日
http://www.learnex.in/how-to-speak-en...
In this Spoken English lesson, your trainer Michelle will talk about some idioms that are very commonly used by native English speakers.

To twist someone’s arm - to tactfully convince someone to do something
To be up in the air - to be uncertain of a situation and still deciding
To sit tight - to be patient
To pitch in – to contribute to something
To go cold turkey – to quit something suddenly
To be under the weather - to be sick or unwell
To cut the chase – to avoid long conversations
To find your feet – to become comfortable in an environment
To keep your chin up – to not lose hope
Rule of thumb – an unwritten rule that everyone knows