to hope for good luck
希望好运 (xiwang haoyun)
"I am keeping my fingers crossed for the exam results."
"我为考试结果祈祷好运。" (wo wei kaoshi jieguo qidao haoyun)
to cry very hard due to sadness
To skip a class without permission
Try as hard as you can.
to take control or responsibility for something
to organize and host a celebration
to be more successful than competitors