to continue in a post / (to hold a post) several times in succession / (to win a title) in successive years / to stay at number one / to defend a championship
the mantis stalks the cicada, unaware of the oriole behind (idiom, from Daoist classic Zhuangzi 莊子|庄子); to pursue a narrow gain while neglecting a greater danger
Diaochan (-192), one of the four legendary beauties 四大美女[si4 da4 mei3 nu:3], in fiction a famous beauty at the break-up of Han dynasty, given as concubine to usurping warlord Dong Zhuo 董卓[Dong3 Zhuo2] to ensure his overthrow by fighting hero Lü Bu 呂布|吕布[Lu:3 Bu4]
