空洞 (kōng dòng) — (noun) cavity (in the body, especially in teeth or lungs); (adjective) hollow, vacuous, lacking substance (of speech, writing, ideas)
Definition
空洞 covers both senses here: a physical cavity (esp. in teeth/lungs) and a 'hollow, vacuous' critique of speech or ideas. As an adjective it is sharper on lack of substance than 空虚 (which is more emotional/inner emptiness).
noun
cavity (in the body, especially in teeth or lungs)
adjective
hollowvacuouslacking substance (of speech, writing, ideas)
Measure word · 个
Examples
- 空洞。Yī shēng fā xiàn wǒ de yá chǐ yǒu yí gè kōng dòng.The doctor found a cavity in my tooth.
- 空洞，。Tā de yǎn jiǎng nèi róng hěn kōng dòng, méi yǒu xīn yì.The content of his speech is very hollow and lacks originality.
- ，。Nǐ de lǐ lùn tài kōng dòng le, méi yǒu gēn jù.Your theory is too empty; it has no basis.
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