棘

披荆斩棘

pī jīng zhǎn jí

lit. to cut one's way through thistles and thorns (idiom)

食荼卧棘

shí tú wò jí

to eat bitter fruit and lie on thorns (idiom); to share the hard life of the common people

棘楚

jí chǔ

thorny problem

棘皮动物

jí pí dòng wù

echinoderm, the phylum containing sea urchins, sea cucumbers etc

棘轮

jí lún

ratchet

棘鼻青岛龙

jí bí qīng dǎo lóng

Tsintaosaurus spinorhinus, a 10 meter long hadrosaur with a single horn on its duck-billed snout

棘手

jí shǒu

thorny (problem)

沙棘

shā jí

sea-buckthorn

沙棘属

shā jí shǔ

genus Hippophae

腔棘鱼

qiāng jí yú

coelacanth

荆棘

jīng jí

thistles and thorns

荆棘载途

jīng jí zài tú

lit. a path covered in brambles