未经伦理委员会批准,任何研究人员都不准接触受试者的原始档案。Wèijīng lúnlǐ wěiyuánhuì pīzhǔn, rènhé yánjiū rényuán dōu bù zhǔn jiēchù shòushìzhě de yuánshǐ dàng'àn.Without approval from the ethics committee, no researcher is permitted to access the original files of the participants.
图书馆里不准大声说话。Túshūguǎn lǐ bù zhǔn dàshēng shuōhuà.Talking loudly is not allowed in the library.
妈妈不准我晚上十点以后玩手机。Māma bù zhǔn wǒ wǎnshang shí diǎn yǐhòu wán shǒujī.Mum does not allow me to play with my phone after ten at night.