klingen
to sound
To create a certain impression through the way something is said or sounds.
Dein Vorschlag klingt nach einem guten Plan.
Your suggestion sounds like a good plan.

to sound
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to sound
To create a certain impression through the way something is said or sounds.
Dein Vorschlag klingt nach einem guten Plan.
Your suggestion sounds like a good plan.

The verb 'klingen' (to sound) is closely related to the noun 'der Klang' (sound). 'Der Klang' describes the noise or tone that something makes.
Ich mag den Klang dieser Gitarre.
I like the sound of this guitar.
The literal meaning describes a real sound. The figurative meaning describes an impression. If you see an adjective (good, bad, strange) or the words 'wie' (like) or 'nach' (like / of), the figurative meaning is almost always intended.
Die Musik klingt schön.
The music sounds beautiful.
In the figurative meaning 'to create an impression', 'klingen' (to sound) is often used with an adjective, the preposition 'nach' (+ dative), or the comparison word 'wie' (like/as). These patterns are very common.
Deine Idee klingt interessant.
Your idea sounds interesting.
to shine / seem
'scheinen' and 'klingen' can both express what impression something makes. 'scheinen' is more general: something appears to be true, even if you do not know for sure. 'klingen' is used especially when the impression comes from words, a voice, music, or a sound. The words can be confused because both can express an assumption. If you see something or are judging a situation in general, 'scheinen' often fits. If you hear something or are paying attention to the wording, 'klingen' is more natural.

Deine Nachricht klingt freundlich, aber auch ein bisschen unsicher.
Your message sounds friendly, but also a little unsure.
Der Plan scheint gut zu sein, aber wir müssen ihn noch prüfen.
The plan seems to be good, but we still need to check it.