虎口余生

lit. to escape from the tiger's mouth (idiom) / fig. to narrowly escape death

tiger / CL:隻|只[zhi1]

tiger's den / dangerous place / the web between the thumb and forefinger of a hand

mouth / classifier for things with mouths (people, domestic animals, cannons, wells etc) / classifier for bites or mouthfuls

surname Yu

(archaic) I / me / variant of 餘|余[yu2], surplus

extra / surplus / remaining / remainder after division / (following numerical value) or more / in excess of (some number) / residue (math.) / after / I / me

the remaining years of one's life / survival (after a disaster)

to be born / to give birth / life / to grow / raw / uncooked / student