Do you know these words?

• あがる（けつあつが〜/たいおんが〜/ねつが〜）

  (blood pressure/body temperature/one's temperature) to go up

• あっかする

  to get worse; to deteriorate

• いたみが　ひどくなる

  the pain becomes worse

• おちる（あくりょくが〜/きゃくりょくが〜/たいりょくが〜/しりょくが〜）

  to become weak (grip/legs/strength/eyesight)

• おとろえる（たいりょくが〜/きおくりょくが〜）

  to become weak (one's memory/strength) ; to lose one's strength/memory