雙劍合璧 [双剑－－]

Jyutping soeng1 gim3 hap6 bik1
Pinyin shuāng jiàn hé bì

Definitions (粵典–words.hk)
  1. 動詞
    字面​指兩​把​劍​匯集​起​嚟​一齊​運用​；​意思​指將​兩個​人​嘅​優​勢​結​合​埋​一​齊​，​令​佢​哋​發​揮​更​大​嘅​威力​。
    to collaborate; literally: to make a formidable combination of two swords