tunnel under

tunnel under someone or something

to dig a tunnel under someone or something. All the time she was standing in the yard talking about the moles, they were tunneling under her. They took many months to tunnel under the English Channel.
See also: tunnel
References in classic literature ?
As he paced the platform, waiting for the Washington express, he remembered that there were people who thought there would one day be a tunnel under the Hudson through which the trains of the Pennsylvania railway would run straight into New York.
Bats can hear a mole walking in his tunnel under the earth --and they think they're good hearers.
The first tunnel under the larger $3bn project was the Mill Creek Tunnel.
The project includes a new tunnel under the Palisades in New Jersey and the Hudson River to midtown Manhattan and an expanded rail station connected to the existing New York Penn Station.
Three other tunnels in this country were also criticised in the study, with the north part of the Blackwall Tunnel under the Thames rated `very poor'.
The survey comes just weeks after the end of a public hearing over the controversial plans to build a second tunnel under the Tyne at a cost of pounds 139m.
A triple tunnel was discovered during work to open the double tunnel under the visitors' centre.
A triple tunnel, filled with stalactites and stalagmites, was destined to remain hidden forever but was discovered during work to open the double tunnel under the visitors' centre.
As be paced the platform, A waiting for the Washington express, he remembered that there were people who thought there would one day be a tunnel under the Hudson through which the trains of the Pennsylvania railway would run straight into New York.
PHOTO (1) Red Line workers Miguel Ayala, left, and Jose Hernandez align tracks and tighten bolts, respectively, in a Metropolitan Transportation Authority subway tunnel under North Hollywood.
Norfolk Southern and other railways operate through the tunnel under running rights agreements with the Detroit River Tunnel Company, a CN-CPRS partnership.
Another set of routes would lie perpendicular to the Manhattan line, with a tunnel under the East River at 63rd Street and subway tracks sprawling across the entire length of Queens, the city's largest borough.
4-mile, large-diameter tunnel under Mount Olympus located south of Temecula.
The project begins with modifications to be made at the existing subway tunnel under Greenwich Street, north of Battery Place so that the new tunnel can diverge to the west and proceed beneath a portion of Battery Park and then cross-beneath the existing tunnel approach to the South Ferry loop tracks, and beneath the 4/ 5 (IRT) subway tunnel to Brooklyn.
There are no traffic lights and the road runs absolutely straight for about a half mile, past the Petit Palais and the Grand Palais, before veering slightly left and dipping into a tunnel under the intersection at the Alma bridge.