bậc thang 
rung of ladder, stair [ bậc ] : (1) step, rung, rank, level, grade, degree; (2) [CL for famous, great people, heroes]
[ thang ] : ladder; scale, range, gamut
Most Common Compounds Set 1:
bậc thang Most Common Compounds Set 2 :
Cô ấy đi lên các bậc thang . Anh ấy đang đứng trên bậc thang .
ruộng bậc thang terraced fields |
I fell off a step and twisted my ankle. 
Ich bin die Treppe hinuntergefallen und habe mir den Knöchel verstaucht.