be under no illusion
US /biːt əˈraʊnd ðə bʊʃ/
UK /biːt əˈraʊnd ðə bʊʃ/

1.
不抱幻想, 清醒地認識到
to understand the true facts of a situation and not have false ideas
:
•
You should be under no illusion about the difficulty of this task.
你對這項任務的難度應該不抱任何幻想。
•
We are under no illusion that this will be easy.
我們不抱任何幻想認為這會很容易。