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 device

2 tool

3 utensil

4 classifier: 台 tái

1 spare the rod and spoil the child (idiom)

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

1 (idiom) to use methods in line with local circumstances

1 (idiom) to use methods appropriate to the current situation