They realized then that it was only a matter of time before the lid blew off the scandal.
It takes a couple days to get the plant shut down to the point where they can take the lid off and replace the fuel.
“The Obama administration has really put the lid on giving any information on who is being targeted and so on,” he says.
mid-13c., from Old English hlid "lid, cover, opening, gate," from Proto-Germanic *khlithan (cf. Old Norse hlið "gate, gap," Swedish lid "gate," Old French hlid, Middle Dutch lit, Dutch lid, Old High German hlit "lid, cover"), from PIE root *klei- "to lean" (see lean (v.)), with here perhaps the sense of "that which bends over." Meaning "eyelid" is from early 13c. Slang sense of "hat, cap" is attested from 1896. Slang phrase put a lid on "clamp down on, silence, end" is from 1906.