to be sure meaning in Chinese
诚然, 固然, 哎呀
毫无疑问的
肯定地，毫无疑问地……
Examples
- It was worth a thought, to be sure .
真的，这确是一件值得注意的事情。 - Marianne to be sure is lost to me forever .
毫无疑问，我永远失去了玛丽安。 - He is clever , to be sure , but not very hard-working .
他聪明是聪明，但是不怎么勤奋。 - I left a message so as to be sure of contacting her .
我留下了张条子以便与她取得联系。 - Well to be sure !
那才是怪事。