nhảy vọt 
to leap (up) [ nhảy ] : to dance, jump, leap, skip over
[ vọt ] : (1) rod, switch; (2) to gush forth, squirt out, soar, leap forward, spurt out
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
giá dầu hỏa đã nhảy vọt the price of oil jumped up tiến những bước nhảy vọt to make great advances