Practise the thinking. Keep the judgement.
内と外 — Inside and outside; one's group and others
うちとそと
uchi to soto
Meaning
Inside and outside; one's group and others
Original example
内と外で言葉遣いが変わることがあります。
Speech can change between one's own group and outsiders.
Cultural context and nuance
A useful lens for relationships and language. Group boundaries depend on the situation rather than remaining fixed.