少年犯罪の増加は深刻な問題だ。

Meaning
the rise in juvenile crime is a serious problem

Vocab used in this sentence

少年
boy, juvenile, young boy, little boy, youth
犯罪
crime, criminal act, battery, assault, offense, felony, breach, trespass, delinquency
to, of
増加
increase, rise, growing, growth, gain, addition, increment
a, the, is, am, are, will
深刻
serious, severe, severely, seriously, grave, seriousness
a, the, na, nan, nai
問題
problem, issue, matter, question, trouble
is, be, are, am, it is, seems