Zhàopiàn lǐ de tā shēn zhuó róngzhuāng, yīngzī sàshuǎng.
In the photo he is in martial dress, looking dashing.
Tips
register
Literary and slightly old-fashioned. Common in news headlines, ceremonial captions, and historical fiction; everyday speech uses 军装 (jūnzhuāng, 'military uniform').
memory
戎 (rōng) by itself meant 'weapons / military affairs' in classical Chinese, so 戎装 = 'weapons-clothing' = battle dress.
