sabre
[ˈsebɚ]
n.
军刀;
马刀;
（击剑时用的）尖细的轻剑;
武力威胁;
vt.
用军刀斩;
例句:
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It is too early to say whether the threats are mere sabre-rattling.
现在断言这些威胁是否只是虚张声势还为时过早。
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His face was seamed with sabre cuts.
他的脸上留有马刀砍下的伤痕.
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Her speech is mere sabre - rattling , ie She will not carry out her threats.
她讲的话只不过是吓唬人而已.
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Our streets are safer with no sabre-toothed tigers.
来自BBC
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Instead, Madrid has begun a hot-headed bout of sabre-rattling.
来自THETIMES
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You honestly thought that Sabre Toothed Tigers coexisted with the Vikings.
来自SA