jiǎnlòu

simple and crude

chǒulòu

ugly

lòu

low / humble / plain / ugly / mean / vulgar

gūlòu

ignorant / ill-informed

gūlòuguǎwén

ignorant and inexperienced / ill-informed and narrow-minded

guǎlòu

having little knowledge / not well-read

cūlòu

crude / coarse / unsophisticated / shallow

yīnlòujiùjiǎn

crude but simple methods (idiom); use whatever methods you can / to do things simply and thriftily / It's not pretty but it works.

yúlòu

ignorant and backward

qiǎnlòu

shallow and crude / meager (knowledge or skill)