sabre-rattling
noun /ˈseɪbə rætlɪŋ/
/ˈseɪbər rætlɪŋ/
(US English saber-rattling)
[uncountable]- the act, by a government, of trying to frighten the government of another country by threatening to use military force
- There has been renewed sabre-rattling between the two countries.