高一英语人教课标必修二 Unit4 language points
新授课课件
Unit 4 Wildlife protection
Language points
1. threaten vt. 
1) 恐吓；威胁
threaten +n.+with+n.以...恐吓...
The robber threatened me with a gun.
threaten to do 恐吓说要...
He threatened to make the photo public.
2) 迫近 A typhoon was threatening.
threat n.  
threatening adj. 恐吓的，威胁的