1 to conserve

2 to preserve

3 to keep

4 to save (a file etc) (computing)

1 weaponry

2 weapons

3 arms

1 sharp weapon

2 effective implement

3 outstandingly able individual

1 device

2 tool

3 utensil

4 classifier: 台 tái

1 to exist

2 to deposit

3 to store

4 to keep

5 to survive

1 spare the rod and spoil the child (idiom)

1 lit. to get rid of the weeds and keep the flowers

2 to separate the wheat from the chaff (idiom)

1 the name remains, but the reality is gone (idiom)

1 lit. it takes a long time to make a big pot (idiom); fig. a great talent matures slowly

2 in the fullness of time a major figure will develop into a pillar of the state

3 Rome wasn't built in a day

1 To do a good job, an artisan needs the best tools (idiom). Good tools are prerequisite to the successful execution of a job