则

(conjunction used to express contrast with a previous clause) but / then / standard / norm / principle / to imitate / to follow / classifier for written items

(literary) (conjunction used to express contrast with a previous clause) but; then / (bound form) standard; norm / (bound form) principle / (literary) to imitate; to follow / classifier for written items

Kangxi radical 18 (刀[dao1]) as a vertical side element / see also 立刀旁[li4 dao1 pang2] / see also 側刀旁|侧刀旁[ce4 dao1 pang2]

cowrie / shellfish / currency (archaic)

norm / standard / criterion

irregular

to set an example (idiom); to serve as a model

on the one hand

the Three Principles (in many contexts)

wastage makes one destitute (idiom)

where there is injustice, there will be an outcry / man will cry out against injustice

scalene triangle (math.)

One-China principle, the official doctrine that Taiwan is a province of China

irregular quadrilateral / trapezium

traffic rules / rules of the road

frugality prevents destitution (idiom)

listen to both sides and you will be enlightened; heed only one side and you will remain ignorant (idiom)

moreover / besides

specific provisions (based on general regulations)

(old sentence-final expression used for emphasis)

accounting standards council

happy on the one hand, but worried on the other (idiom)

general principle

If three walk together, one of them can teach me sth (Confucius)