frontier; border

situation (of a person)

predicament; plight

dreamland

to enter a country

critical circumstances; risky conditions; danger zone

to deport; to expel

fairyland; wonderland; paradise

to leave a country or region; outbound (tourism)

desperate straits

(idiom) without end; never-ending

adversity; predicament

national border; frontier

to pass through a country's territory; transit

awkward situation; predicament

situation; context; setting; environment

mood; mental state; frame of mind

border; place; condition; boundary; circumstances; territory

to leave a country (or place)

(literary) beautiful surroundings; scenic spot; favorable stage; excellent state (of development, performance etc)

customs border

dangerous situation; venerable old age

difficult situation

all the borders

family financial situation; family circumstances

land of fantasy; fairyland

wretched situation

artistic mood or conception; creative concept

limit; boundary; end

habitat

advanced years; old age

grievance; dire straits

context

to cross a border (usually illegally); to sneak in or out of a country

cross-border

favorable circumstances

to leave or enter a country

the environment (from a macro perspective); the broader context; the bigger picture

to reach the pinnacle (of artistic skill)

entering and leaving a country

to travel to a place personally (idiom)

operating environment

customs border

no end to learning (idiom); There's always something new to study.; You live and learn.

augmented reality (computing)

operating environment

(idiom) to gradually improve; to get better and better

habitat; living environment

ecosystem; natural environment