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отстающий от жизни stresses
gen.	high and dry; behind the time; behind the times; behind one's time; behind one's times
inf.	behind one's, the time
отставать от жизни
gen.	be behindhand with the world; be behindhand with the world; be behind time (driven)
math.	be behind the times

отстающий от жизни: 12 phrases in 3 subjects

Figure of speech	1
General	10
Informal	1