这位骑兵熟练地挥舞着他的军刀。

The cavalryman skillfully wielded his ___sabre.

士兵用军刀迅速砍断了绳子。

The soldier ___sabered the rope with a quick slash.

外交官警告不要采取武力威胁的策略来恐吓对方。

The diplomat warned against ___sabre-rattling tactics to intimidate the other side.