外語: foreign language; external language

child born to a mother soon after a previous child

五時: five o'clock / 誤字: typo

raw egg

後日: in the future, later, a later day, another day; after the occurrence of some event, etc / 期日: an expected or promised day

ワゴン: a wagon (US), a waggon (UK); a station wagon (US), an estate car (UK) / 和琴, 倭琴: (music) a six-stringed koto or zither used to perform kagura music, more common in ancient times

when in Rome, do as the Romans do

when in Rome, do as the Romans do

to make favorable progress, to proceed as expected / to meet a deadline, to be on time

favorable progress / meeting a deadline, being on time