high bar

例句：

1. 1. Thehigh bar of entry requirements has made itdifficult for many to gain admission.
   高门槛的入学要求使得许多人难以获得入学资格。
2. 2. The company's high bar ofstandards is a testament to itscommitment to excellence.
   公司高标准的要求是其追求卓越的明证。
3. 3. The high bar ofsuccess requires dedication and hard work.
   成功的高墙需要奉献和努力。