单词takeout-double
网络: 技术性加倍；迫伴赌倍
A cue-bid advance of a takeout double shows at least game interest and creates a force until either a suit is bid twice or game is reached.
扣叫为至少有成局兴趣，除非再叫原花色或止叫成局，否则一路逼叫。