N3 — outside your level filter
write + in the case that
kaku baai
in the case that; if — a hypothetical or foreseen scenario named as a condition
道に迷った場合は、電話して。
michi ni mayotta baai wa, denwa shite.
If you get lost, call me. casual
私の場合は、朝のほうが集中できる。
watashi no baai wa, asa no hou ga shuuchuu dekiru.
In my case, I can focus better in the morning. casual