长袖善舞cháng xiù shàn wǔ

穿着长袖子的衣服才好翩翩起舞。比喻有所凭借，事情就容易成功。也用以形容有权有钱有手腕的人什么都好办。

例长袖善舞，多资善贾。——《韩非子·五蠹》

英long sleeves help one to dance skilfully, it shows person with money and power could do things easily;