如虎添翼 ｜rú hǔ tiān yì

Meaning: like a tiger that has grown wings; redoubled effort

Original: “习近平最后表示，北京冬奥会、冬残奥会即将开幕，中国人民已经做好准备，将为世界奉献一场简约、安全、精彩的奥运盛会，祝愿中外冰雪运动健儿如虎添翼、创造佳绩。”

Source: In his Chinese New Year remarks from the 人民大会堂, Xi is reported to have used this apt chengyu to give his best wishes to the athletes of the Winter Olympics. http://www.news.cn/politics/leaders/2022-01/30/c_1128316897.htm