be sure 是什么意思
be sure
[英][bi: ?u?][美][bi ?r]
[法]确信; 诚然; 有谱儿;
肯定; 确定;
双语例句
1
When I finally snapped the lid of a box shut, I sealed it with transparent tape and checked to be sure that it would not loosen.
当我在最后啪嗒一声关上箱子盖子的时候,我就用透明胶带把它封好,并进行检查,确信它不会松动。