... after a short while 不久之后 be uncertain about不确信，对没有把握 be honoured for sth. 因而感到荣幸 ...
2
?对没有把握
高中生必备:高考必背英语单词归纳 ... put on船上、表演; be uncertain about对——没有把握; be honoured for因为——而获得赞誉; ...
3
?对
... put on船上、表演; be uncertain about对---没有把握; be honoured for因为--而获得赞誉; ...
4
?对…没有掌握
... after a short while 未几之后 be uncertain about 不确信，对…没有掌握 be honoured for sth. 因…而感到幸运 ...
双语例句
1
For example, a company may be able to estimate accurately the aggregate number of shoes it will sell, but it may beuncertainabout which specific types of shoes will sell more than other types.