in harness

Idioms  

1. On duty or at work. For example, Despite his illness he's determined to continue in harness. It also is put as be back in harness, meaning “to return to duty or work,” as in After a long vacation she's finally back in harness. This expression alludes to horses harnessed to perform work. [First half of 1800s] Also see die with one's boots on (in harness).

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Example Sentences

See Examples For:

in harness

She grew up in Saratoga Springs, N.Y., which is known for thoroughbred racing, but her family was involved in harness racing and she never wanted to be a trainer anyway.

From Los Angeles Times ● May 3, 2026

France-based stars Marcos Kremer and Juan Cruz Mallia, who missed the two Test defeats by England in July, are back in harness, while eight of the starting XV are established Prem performers.

From BBC ● Nov. 23, 2025

Bit wear on two of the mares also suggested they were used under saddle or in harness and for breeding.

From Science Daily ● Mar. 22, 2024

Each March dozens of sled teams — many with 16 dogs in harness — make the arduous journey from the city of Anchorage to Nome, on the state’s far west coast.

From Seattle Times ● Mar. 13, 2024

To his credit, he did not ask any questions but simply nodded and put a horse in harness.

From "The Unseen Guest" by Maryrose Wood

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