every day; daily

everyday life; daily life

difficult, hard / terrible / serious, grave

very, greatly

disaster / difficulty / dreadfulness

an elder / a scholar / a teacher or a professor / sensei (Japanese martial arts teacher) / sir, a polite form of address to teachers, doctors, etc.

a title used after the name of teachers, doctors, lawyers, or certain other professionals

(dialect, Hakata) teacher, professor

take care of, attend upon

to be much obliged to someone, to be indebted, to be grateful, trouble someone