lì zǐ
(elementary) particle
grain
lì zi
case
(for) instance
example
CL:個|个[ge4]
ǎi zi li bá jiāng jūn
lit. choose a general from among the dwarfs
fig. choose the best person available (out of a mediocre bunch)
lǐ zi
lining
(fig.) substance (as opposed to outward appearance)