务必确保的英文

楼上不应该用完成时，因为确保是个承诺，不是已经完成的事实。应该用将来时。另外samemistake要有定冠词，而且应该是单数。Hewillseetoitthatthesamemistakewillneverhappenagain.

make sure

务必[wù bì]must; be sure to; for god's sake; without fail中中释义务必 [wù bì][must;be sure to;should] 必须;一定要你务必来一下双语例句1你务必要按时到达那里。You must be there on time. 2务必写信告诉我所有的消息。Be sure to write and give me all the news. 3我的主人命令我务必私下里传递消息。My master ordered me not to deliver the message except in private .希望对你有帮助

务必 1. be sure to 2.must ，在有些时候这两个可以互换。

单从“确保”的意思来讲，建议使用ensure,make sure.如因语境不同需要有不同的表达，此处给出一些相关的词性解释，希望对你有所帮助。ensure确定，确保： 1.The book ensured his success.那本书确定了他的地位 2.These pills could ensure you a good night\'s sleep.这些药丸可 以确保你睡一宿好觉。 3.ensure product quality 确保产品质量guarantee保证，担保,承诺对某事负法律责任： 1.I can guarantee it\'s true. 我保证那是真的。 2.guarantee to pay debts. 保证还债。assure 明确或有信心的告诉某人，保证某事： 1.I assure you he will be safe with us. 我保证他和我们在一起 会完全的。 2.assure sb/oneself of sth. 使某人自己对某物确信不疑。 She was able to assure herself that nothing had been taken from her purse.她确信钱包里什么东西都没有被拿去。certify强调书面证明某事物。warrant证明某物正当有理，保证某物为真品正品: This material is warranted to be pure silk.这种料子保证是纯丝的。

must/make sure