会話トレ Drill: トラブル回避(全般) Avoid trouble
登山靴 (とざんぐつ)
hiking boots
You need to wear hiking boots that protect your ankles.
くるぶしをガードできる登山靴を履く必要があります。
震度5強 (しんど5きょう)
upper 5 on the Japanese seismic intensity
registered upper 5 on the Japanese seismic intensity
震度5強を記録した
Related info on digi-joho.com:
How to read earthquake updates (Shindo Sokuhou) and understanding Shindo and Magnitude
https://www.digi-joho.com/living-japan/earthquake-magnitude.html
山岳事故 (さんがくじこ)
mountain accident
a heads-up
注意喚起

