nhất thiết phải làm như vậy 
it is imperative to do so [ nhất ] : one; (the) first, most
[ thiết ] : to display, show
[ phải ] : (1) correct, right (opposite of left), right (opposite of wrong); (2) must, have to
[ làm ] : to do, work, make, function as, serve; to cause something to happen
[ như ] : like, for example, as, such as, similar
[ vậy ] : so, thus, that
Most Common Compounds Set 1:
Most Common Compounds Set 2 :