tenacious

adj. /təˈneɪ.ʃəs/ C2

顽强的；紧握不放的

Holding tightly onto something or determined to continue.

仙境例句

Roots, banks, hedges: the tenacious Pigeon tried them all to hide its eggs from serpents.

树根、河岸、树篱，执着的鸽子都试遍了，只为把蛋藏起来，不让蛇找到。