ở mức thấp nhất trong 
at the lowest level in ... [ ở ] : to live, be, stay, remain; in, at
[ mức ] : level, amount, degree, measure, extent, standard
[ thấp ] : short (of height), low, poor
[ nhất ] : one; (the) first, most
[ trong ] : during; in(side), among
Most Common Compounds Set 1:
Most Common Compounds Set 2 :