To trim a bush, tree, hair, or the edge of grass; to pick leaves off a plant or tree.
The -an imp. is used when the thing being trimmed is in the way. Actor focus seems to be able to be interchanged with or without -an unless emphasis is being made on removing something in the way.
Who trimmed the edge of the grass in my yard?
Pick some of those taro leaves so I can wrap this fish.
Trim those banana leaves that are leaning over on my eggplant bush.