1 to understand

2 to realize

3 to find out

1 weaponry

2 weapons

3 arms

1 sharp weapon

2 effective implement

3 outstandingly able individual

1 system

2 to control

3 to regulate

4 variant: 制 zhì

1 system (e.g. political, adminstrative etc)

2 institution

3 classifier: 个 gè

1 lit. to know one and understand half (idiom); a smattering of knowledge

2 dilettante

3 amateur

1 spare the rod and spoil the child (idiom)

1 lit. not requiring a detailed understanding (idiom); only looking for an overview

2 not bothered with the details

3 superficial

4 content with shallow understanding

1 to use foreigners to subdue foreigners (idiom); let the barbarians fight it out among themselves (traditional policy of successive dynasties)

2 Use Western science and technology to counter imperialist encroachment. (late Qing modernizing slogan)

1 to gain the initiative by striking first (idiom); to preempt

2 to anticipate

3 preemptive