to end a phone call
挂电话 (gua dianhua)
"He suddenly rang off without saying goodbye."
"他突然挂断电话，没说再见。" (Ta turan guaduan dianhua, mei shuo zaijian.)
to stay updated with online work or communication
to send someone a short message or note
to force yourself to do something that is emotionally diffic...
to encourage people to buy more goods or services
when rain or snow falls heavily
to get rid of something by working or exercising
