为虎傅翼为虎添翼；与虎添翼wèi hǔ fù yì

add(/give) wings to a tiger—assist an evildoer; lend support to the devil
❍ 今更助之以军马钱粮，何异与虎添翼乎？ (《三国演义》533) If you give him the men and supplies he asks for,you are adding wings to your tiger.
❍ 若纵之使归袁绍，是与虎添翼也。不若追而杀之，以绝后患。(《三国演义》234) Now to let him join Yuan Shao is to add wings to a tiger.You had better catch him and put him to death so as to guard against future evil.

• 赳
• 赴
• 赴(……国)贸易代表团
• 赴任
• 赴会
• 赴宴
• 赴宴人
• 赴宴者
• 赴敌
• 赴汤蹈火
• 赴洛阳道中作
• 赴约
• 赴试
• 赴难
• 赵
• 赵万年
• 赵与莒
• 赵东曦
• 赵之谦
• 赵云
• 赵介
• 赵伊
• 赵伯韬
• 赵体
• 赵佶