doubtful
['daʊt.fəl] adjective
ADVANCED
■If you are doubtful about something, you are uncertain about it 怀疑的，有疑虑的；不能确定的•The teacher is doubtful about having parents working as classroom assistants.这位老师对由家长担任课堂助教一事拿不定主意。 ADVANCED
■If a situation is doubtful, it is unlikely to happen or to be successful 不大可能的•It is doubtful whether/if they ever reached the summit before they died.他们死前不太可能到过山顶。 •It was doubtful that the money would ever be found again.再找到那些钱不太可能了。 |