(1) the underground ::
den underjordiska(2) underground station ::
tunnelbanestation(3) underground train ::
tunnelbana(4) underground water ::
grundvatten(5) underground railway ::
underjordisk järnväg(6) by underground ::
med tunnelbanan(7) go underground ::
gå under jorden(8) underground economy ::
svarta ekonomin(9) underground passage ::
underjordisk passage(10) underground river ::
jordisk flod