1 optimization

2 to optimize

3 to make superior

1 weaponry

2 weapons

3 arms

1 sharp weapon

2 effective implement

3 outstandingly able individual

1 variant: 花 huā

1 to put on makeup

1 spare the rod and spoil the child (idiom)

1 to guard against the unexpected (idiom); just in case

2 prepared for any eventualities

1 frugality in order to prevent destitution (idiom)

1 the full light of day (idiom)

2 fig. peace and prosperity

3 in broad daylight

1 to reach perfection (idiom); a superb artistic achievement