Tra từ saw - Từ điển Oxford Advanced Learner 8th

saw [saw saws sawed sawing sawn] noun, verb BrE [sɔː] NAmE [sɔː]
see also ↑see _v.
noun
1. (often in compounds)a tool that has a long blade with sharp points (called ↑teeth) along one of its edges. A saw is moved backwards and forwards by hand or driven by electricity and is used for cutting wood or metal.
see also ↑chainsaw, ↑circular saw, ↑fretsaw, ↑hacksaw, ↑handsaw, ↑jigsaw
2. (old-fashioned)a short phrase or sentence that states a general truth about life or gives advice

Word Origin:
n. sense 1 and v. Old English saga Germanic Dutch zaag n. sense 2 Old English sagu ‘a saying, speech’ Germanic German Sage ↑say ↑saga
Derived: ↑saw something down ▪ ↑saw something off ▪ ↑saw something off something ▪ ↑saw something up

verb (sawed, sawnBrE [sɔːn] ; NAmE [sɔːn] )(NAmE also sawed, sawed)
1. intransitive, transitive to use a ↑saw to cut sth
•The workmen sawed and hammered all day.
•+ adv./prep. He accidentally sawed through a cable.
•~ sth (+ adv./prep.) She sawed the plank in half.
2. intransitive, transitive ~ (away) (at sth) | ~ sth to move sth backwards and forwards on sth as if using a ↑saw
•She sawed away at her violin.
•He was sawing energetically at a loaf of bread.
Verb forms:

Word Origin:
n. sense 1 and v. Old English saga Germanic Dutch zaag n. sense 2 Old English sagu ‘a saying, speech’ Germanic German Sage ↑say ↑saga

Example Bank:
•He sawed the piece of wood in half.
•He took out his pocket knife and sawed at the bolt.
•He was sawing through the trunk of the tree.
•She sawed off some of the larger branches.
•She was still sawing away in the yard.
•The tree has now been sawn down.