to return a phone call
電話をかけ直す (denwa o kake naosu)
"I’ll ring back when I get home."
"家に着いたら電話をかけ直します。" (Ie ni tsuitara denwa o kake naoshimasu.)
to have doubts about the truth or value of something
to remember or reflect on something from the past
to prevent oneself or someone from doing something
to socialize and talk with different people
to switch from an old system to a new one
to happen or develop in a particular way