make so bold as to

例句：

1. 1. Shemade so bold as to speak up inclass.
   她大胆地在课堂上发言。
2. 2. Hemade so bold as to challenge the authorityof the teacher.
   他大胆地挑战老师的权威。
3. 3.The daredevil climbed the highest mountainin the world without a rope.
   这位胆大妄为的人没有绳子就爬上了世界上最高的山。