new blood

Idioms  

1. Additional, fresh individuals regarded as an invigorating force, as in an organization. For example, The board could really use some new blood next year. This metaphoric expression, first recorded in 1853, alludes to a blood transfusion and employs new in the sense of “fresh.”

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Example Sentences

Nancy needs new blood, but he doesn't need to perform the major surgery that Postecoglou needed to perform.

From BBC

Moderates must find dynamic new blood.

From The Wall Street Journal

One niche that plays a central role in creating new blood cells lies near the bone surface and is linked to blood cancer's ability to resist treatment.

From Science Daily

It is legal immigrants who infuse new blood and energy into this land.

From The Wall Street Journal

While the Reds are faltering in their quest to retain the trophy, the new blood instilled in the City team signals a revitalisation for managerial mastermind Guardiola, who is leading City's charge with a move to second in the table, four points adrift of leaders Arsenal.

From BBC