“技能组合”常见的英文表达是 skill set 。
例句：
A good programmer should have a diverse skill set.（一个优秀的程序员应该具备多样化的技能组合。）
She is constantly expanding her skill set to stay competitive in the job market.（她不断拓展自己的技能组合，以在职场竞争中保持优势。）