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]

a cicada in cold weather (used as a metaphor for sb who keeps their thoughts to themself); Meimuna opalifera, a kind of cicada found in East Asia

Golden Cicada

to keep quiet out of fear (idiom)

see 螳螂捕蟬，黃雀在後|螳螂捕蝉，黄雀在后[tang2 lang2 bu3 chan2 , huang2 que4 zai4 hou4]