1. lose ground – to lose some kind of advantage to a competitor
2. a blue collar job – describes manual work such as construction,
farming and working in factories with machines.
3. stand your ground - maintain your position, typically in the face
of opposition.
4. behind someone's back - to do something without someone's
knowledge and in a way that is not fair.
5. on your toes – to be alert and focused
6. time’s up – the time for something or someone has finished.

*Dispones de más Ejercicios de Inglés Comercial y de Negocios
con respuesta para practicar.


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