táng láng bǔ chán
the mantis stalks the cicada, unaware of the oriole behind (idiom, from Daoist classic Zhuangzi 莊子|庄子[Zhuang1 zi3]); to pursue a narrow gain while neglecting a greater danger
螳
táng
praying mantis
螂
láng
variant of 螂[lang2]
捕
bǔ
to catch; to seize; to capture
蝉
chán
cicada