These two words sound close to each other.

这两个词听上去几乎一样。

youdao

Getting that sound means getting in close, which I don't mind doing.

NPR: Recording Story Rattles Producer

"HD Voice, " also known as wideband audio, is a technology designed to make a caller's voice, and other noises, sound on phone calls as close as possible to how they do in person.

CNN: Coming to your phone: High-definition voice

At close range, the sound from these devices can be terrifying and painful.

NPR: Focused Sound 'Laser' for Crowd Control