出发前,导师反复叮嘱学生不要擅自修改原始数据。Chūfā qián, dǎoshī fǎnfù dīngzhǔ xuéshēng bú yào shànzì xiūgǎi yuánshǐ shùjù.Before departure, the supervisor repeatedly instructed the students not to alter the raw data without authorisation.
妈妈叮嘱我下雨天出门要带伞。Māma dīngzhǔ wǒ xiàyǔ tiān chūmén yào dài sǎn.Mom reminded me to take an umbrella when going out on a rainy day.
临走前,爷爷又叮嘱了一遍路上要小心。Línzǒu qián, yéye yòu dīngzhǔ le yí biàn lùshang yào xiǎoxīn.Just before we left, Grandpa once more urged us to be careful on the road.