Do you know these words?

• じんふぜん

  renal failure

• せんせい

  teacher ; instructor (not used when referring to one's own job) ; used when addressing medical doctors/lawyers/politicians, etc.

• せんすが　わるい

  have bad taste (in -)

• つかれる

  to get tired ; to tire ; to grow weary

• こうれい

  elderly