sấm sét 
thunderbolt [ sấm ] : to thunder; thunder
[ sét ] : rusty; thunderbolt, lightning bolt
Most Common Compounds Set 1:
sấm sét Most Common Compounds Set 2 :
tin sét đánh bolt from the blue, thunderbolt sấm sét thunderbolt sấm sét tin sét đánh bolt from the blue, thunderbolt