The phrase "under menace" is grammatically correct and can be used in written English.
It means being threatened or in a potentially dangerous situation. Example: The town was under menace as the hurricane approached, with strong winds and heavy rain expected to cause significant damage. In this example, "under menace" emphasizes the sense of danger and threat that the town is facing due to the approaching hurricane.
I never saw a suffragette, under menace of violence, otherwise than cool and collected".
Renaud Camus recently told Vox that white people in France are living "under menace" — victims of an unchecked foreign assault "as much by black Africa as it is by Northern Islamic Africans".
Mr Hipkin said: "Darrell Simester was a man of timid disposition who for 13 years was forced to work against his will and under menace.
The green idyll of the village of Snape and its environs is under threat, menaced by the prospect of a giant car park to serve the increasing number of visitors to the area.
He offered, under menaces, to comply when he was well again.
The prisoners are told, under menaces, that they must always deny having been beaten.
He highlights the performance of Keith Barron as Captain Striker as being "a master class of under-stated menace" and "pitch perfect", juxtaposing this with the over-the-top pantomime villainy of Lynda Baron as Captain Wrack, with the two captains balancing each other out perfectly.
Organizations like mine, Transparency Maldives, which works to eliminate corruption and promote open governance, operate under the menace of threatened dissolution by the state.
The ILO defines forced labour as "all work or service which is exacted from any person under the menace of any penalty for which said person has not offered himself voluntarily".
According to the International Labour Organisation, forced labour is "all work which is exacted from someone under the menace of any penalty and for which the said person has not offered himself voluntarily".
The 1930 Forced Labour Convention defines forced labour as "all work or service which is exacted from any person under the menace of any penalty and for which the said person has not offered himself voluntarily".
