1 to start (a machine)

2 (fig.) to set in motion

3 to launch (an operation)

4 to activate (a plan)

1 to set out on a journey

1 to open

2 to start

3 (computing) to enable

1 Qi son of Yu the Great 禹[Yǔ], reported founder of the Xia Dynasty 夏朝[Xià Cháo] (c. 2070-c. 1600 BC)

1 announcement (written, on billboard, letter, newspaper or website)

2 to post information

3 a notice

1 a student shall not be enlightened until he has tried hard by himself (idiom)

1 to follow the past and herald the future (idiom); part of a historical transition

2 forming a bridge between earlier and later stages

1 deep suffering can lead to enlightenment (idiom)

2 storms make oaks take deeper root

1 to be too shy to speak one's mind (idiom)

1 to be too embarrassed to mention sth (idiom)

2 to find it hard to speak about sth