trud,trus＝to thrust,to push（插入）
adj intruding 闯入的; 侵入的; 打搅的; 侵扰的
*intrusive neighbours 打扰人的邻居
* the intrusive `r' often heard between vowel sounds, eg in `law and order' 元音之间常听到的外加音r（如在law and order中的）.
affecting someone's private life or interrupting them in an unwanted and annoying way
They found the television cameras too intrusive.