The teacher spoke clearly so that all the students could understand.
Meaning: The teacher communicated using sounds made with their mouth in a way that was easy for all the students to understand.
Choice of Words: Spoke means to make sounds with your mouth in order to communicate, and clearly means in a way that is easy to understand. When you put them together, "spoke clearly" means the teacher talked in a way that was easy for the students to understand.
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Related Expressions