正负号

plus or minus sign ± (math.)

first month of the lunar year

straight / upright / proper / main / principal / to correct / to rectify / exactly / just (at that time) / right (in that place) / (math.) positive

positive and negative

to bear / to carry (on one's back) / to turn one's back on / to be defeated / negative (math. etc)

negative value sign - (math.) / minus sign

roar / cry / CL:個|个[ge4]

ordinal number / day of a month / mark / sign / business establishment / size / ship suffix / horn (wind instrument) / bugle call / assumed name / to take a pulse / classifier used to indicate number of people