inside; within
while (e.g. one is young); during; within (e.g. a day); in the course of
among; amongst; (out) of; between
in (secret, chaos, poverty, etc.); amidst; with (e.g. success)
within oneself; one's feelings; inner thoughts
we; our company; our organization
one's home; one's family
I; me
my spouse; my husband; my wife
signed on behalf of (husband's name) by his wife
家の内はとても静かで落ち着きます。
The inside of the house is quiet and calming.
三日以内に届く予定ですよ。
It will arrive within three days.
一週間以内に返事をください。
Please reply within a week.