Word: 务必 (wùbì) Traditional: 務必 务必 dictionary entry wùbì must; to need to; to be sure to Full dictionary entry for 务必 Example sentences using 务必 2 sentences, showing page 1 of 1. 务必要买一些牛奶。 Wùbì yào mǎi yìxiē niúnǎi. Be sure to pick up some milk. 请务必确认门是锁着的。 Qǐng wùbì quèrèn mén shì suǒzhe de. Please make sure that the door is locked.