一个是不飞则已，一飞冲天；不鸣则已，一鸣惊人。

The other is Does not have been a fly, has been soaring; do not have alarms, the blockbuster.

youdao

一个是不飞则已，一飞冲天；不鸣则已，一鸣惊人。

The other is Does not have been a fly, has been soaring; do not have alarms, the blockbuster.

youdao