If you square upto a problem, person, or situation, you accept that you have to deal with them and takeaction to do so.
The world's most prestigious insurance company was last night squaring up to takeon MPs who have accused it of being riddled with corruption. [VERBPARTICLE]
...a woman squaring up to the deepest crisis she has yet had to face. [VPto n]
See full dictionary entry for square
square up in British English
verb(adverb)
1.
to pay or settle (bills, debts, etc)
2. informal
to arrange or be arranged satisfactorily
3. (intransitive; foll byto)
to prepare to be confronted (with), esp courageously
4. (transitive; foll byto)
to adopt a position of readiness to fight (an opponent)
5. (transitive)
to transfer (a drawing) by aid of a network of squares
6. Scottish
to tidy up
square up in American English
1.
to make a settlement, as by paying, balancing accounts, etc.
2.
to assume a posture of opposition (to an adversary)
See full dictionary entry for square
Examples of 'square up' in a sentence
square up
The two old rivals square up for one final confrontation.
The Sun (2006)
Both players squared up in an ugly confrontation that earned both a booking.
The Sun (2015)
The pair also squared up on the hour in a spat that brought the visiting striker a barrage of abuse from fans.
The Sun (2014)
The teenage pair busted one breathtaking move after another as they squared up in a daring dance-off.
The Sun (2016)
Bankers were back in the spotlight this week as bonuses soared, while retailers squared up for decisive battles.
Times, Sunday Times (2009)
Chinese translation of 'square up'
square up
(Brit)
vi
(= settle bill, debt) 结(結)清 (jiéqīng)
to square up with sb和某人结(結)清账(賬) (hé mǒurén jiéqīng zhàng)