“军事对峙”常见的英文表达是 “military standoff” 。
“military”意为“军事的”；“standoff”有“对峙；僵局”之意，二者组合起来能准确传达“军事对峙”的含义。
例句：The military standoff between the two countries has lasted for several months.（两国之间的军事对峙已经持续了数月。）