“全套服装”常见的英文表达是 “full outfit” 或 “complete set of clothing”。
“full outfit” 更简洁常用,例如:She wore a full outfit for the party.(她为聚会穿了一整套服装。 )
“complete set of clothing” 表述稍显正式、完整,比如:We need a complete set of clothing for the performance.(我们需要一套完整的表演服装。 )