to rise to a standing position
立ち上がる (tachiagaru)
"Everyone stood up when the teacher entered the room."
"先生が教室に入ると、みんな立ち上がった。" (Sensei ga kyōshitsu ni hairu to, minna **tachiagatta**.)
to start having control or responsibility for something
to spend a lot of money on something special
to offer compassion or help to someone in need
to stop participating in an online meeting or platform
to look very happy or pleased
to respond quickly and angrily to criticism
