kanwa kyūdaiget down to business; hark back to the subject(literally, “to stop chatting”)

Yūfō o mita. Ie ni kaeru to saru ga inakatta. Sono igo saru o mikaketa koto wa nai.I saw a UFO that day. That monkey was no longer there when I got home. I never saw him again.

kyosei o haruto put up a bold front

Hanabi wa Mēdē no o-iwai kibun o moriagemasu.Fireworks stir up the mood of International Workers' Day celebration.