jí shǒu
thorny (problem)
intractable
jīng jí
thistles and thorns
brambles
thorny undergrowth
jí pí dòng wù
echinoderm, the phylum containing sea urchins, sea cucumbers etc
shā jí shǔ
genus Hippophae
sea-buckthorns
jīng jí zài tú
lit. a path covered in brambles
a course of action beset by difficulties (idiom)
jí bí Qīng dǎo lóng
Tsintaosaurus spinorhinus, a 10 meter long hadrosaur with a single horn on its duck-billed snout
jí chǔ
thorny problem
troublesome affair
shí tú wò jí
to eat bitter fruit and lie on thorns (idiom); to share the hard life of the common people
pī jīng zhǎn jí
lit. to cut one's way through thistles and thorns (idiom)
fig. to overcome all obstacles on the way
to break through hardships
to blaze a new trail