At the right or appropriate time.
適切または適当な時期に。 (Tekisetsu matawa tekito na jiki ni.)
"Everything will be alright in due time, just be patient."
"すべては 適切な時期にうまくいきます、ただ忍耐強く待ってください。" (Subete wa **tekisetsu na jiki ni** umaku ikimasu, tada nintai tsuyoku matte kudasai.)
to tell the truth about something you have been hiding
to describe exactly what is causing a situation or problem
to start something; to begin working or functioning
time is valuable and should not be wasted
to make someone very sad
too difficult to understand