source: entrance to Tsinghua is very very difficult.
target: It is hard to get into Tsinghua because alot of people want to get in.
references: It is hard to get into Tsinghua because alot of people want to get in. statement to Tsinghua is greatly in competitive It is hard to get into Tsinghua. Admission to Tisinghua is competitive. Getting admitted to Tsinghua is very competititive. GETTING ADMISSION IN TSINGHUA IS DIFFICULT Admission to Tsinghua is competitive.