work on

v.对 ... 起作用，企图影响或说服，忙于

同：	[v.] process, work, work at

to exert effort in order to do, make, or perform something
- the child worked at the multiplication table until she had it down cold
[同] work at, work on
shape, form, or improve a material
- work stone into tools
- process iron
- work the metal
[同] process, work, work on

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