đây là cơn bão lụt gây nhiều thiệt hại nhất trong 25 năm qua 
it was the worst, most destructive natural disaster in the last 25 years [ đây ] : here, this place, this
[ là ] : that; to be
[ cơn ] : attack, outburst, fit, bout; period, crises
[ bão ] : (1) hurricane, storm, typhoon; (2) to be full after eating
[ lụt ] : to flood, inundate
[ gây ] : (1) to cause, bring about, create, set up; (2) to quarrel
[ nhiều ] : much, many, a great deal, plentiful, often, numerous, abundant, a great deal
[ thiệt] : (1) to lose, suffer loss; (2) tongue; (3) [=thật] true, real
Most Common Compounds Set 1:
Most Common Compounds Set 2 :