Word: 严禁 (yánjìn) Traditional: 嚴禁 严禁 dictionary entry yánjìn to strictly prohibit Full dictionary entry for 严禁 Example sentences using 严禁 2 sentences, showing page 1 of 1. 司机开车时严禁打电话！ Sījī kāichē shí yánjìn dǎdiànhuà! Drivers are strictly forbidden to use the phone while driving! 图书馆内严禁大声说话。 Túshūguǎn nèi yánjìn dàshēng shuōhuà. Talking loudly is strictly prohibited in the library.