to stop or reduce pollution sources
停止或减少污染源 (tíngzhǐ huò jiǎnshǎo wūrǎn yuán)
"Factories must cut off pollution to meet environmental standards."
"工厂必须切断污染以符合环境标准。" (Gōngchǎng bìxū **qiēduàn wūrǎn** yǐ fúhé huánjìng biāozhǔn.)
to look very happy or pleased
to admire and respect experienced people
to stay emotionally strong during difficulties
to use force or strict measures to control protests
to interrupt or give an opinion when not invited
to gradually adjust to changes or new circumstances