1. 尖细的;刺耳的
If you describe a sound as tinny, you mean that it has an irritating, high-pitched quality.

2. 质量差的;劣质金属制成的
If you use tinny to describe something such as a cheap car, you mean that it is made of thin metal and is of poor quality.

1. thin and metallic in sound
lacking resonance

e.g. an unpleasant tinny voice

2. of very poor quality
flimsy

Synonym: bumcheapcheesychintzycrummypunksleazy

3. of or containing tin