减

递减

dì jiǎn

progressively decreasing

酌减

zhuó jiǎn

to make considered reductions

锐减

ruì jiǎn

steep decline

双减

shuāng jiǎn

(PRC) Double Reduction Policy, announced in 2021, aiming to ease pressure on K-12 students by reducing homework and banning for-profit after-school academic classes

骤减

zhòu jiǎn

to decrease rapidly; to plummet

不减当年

bù jiǎn dāng nián

(of one's skills, appearance etc) not to have deteriorated a bit

偷工减料

tōu gōng jiǎn liào

to skimp on the job and stint on materials (idiom)

光纤衰减

guāng xiān shuāi jiǎn

optical attenuation

删减

shān jiǎn

to abridge (a text)

削减

xuē jiǎn

to cut down

加减乘除

jiā jiǎn chéng chú

(idiom) addition, subtraction, multiplication and division: the four basic operations of arithmetic

加减号

jiā jiǎn hào

plus-minus sign (±)