to be responsible for something difficult or unpleasant
对困难或不愉快的事情负责 (dui kunnan huo buyu kuai de shiqing fuze)
"The task of organizing the event fell on her shoulders."
"组织活动的任务落在了她的肩膀上。" (Zuzhi huodong de renwu luo zai le ta de jiangbang shang)
to hide the truth about something
to laugh very loudly or uncontrollably
to be very successful or happy
to say something embarrassing or inappropriate
very high speed; extremely fast progress
to actively try to achieve your ambitions
