/ˈoʊpən/ ADJ 开放的;敞开的;张开的;张着的;展开;开放 v. 开;打开;开启;(使)开;开启(瓶盖、封口等) n. 户外;野外;旷野;公开;非秘密 第三人称单数:opens 现在分词:opening 过去式:opened 过去分词:opened an open invitation an open invitation(to sb)= ①（给某人）随时可以来访的邀请 ② 容易引诱人犯罪的行为 Leaving your camera on the seat in the car is an open invitation to thieves. 把摄像机留在汽车座位上无异于开门揖盗。 burst open burst (sth) open= （使）猛然打开 to make sth open in this way The door burst open.门突然开了。 Firefighters burst the door open and rescued them.消防队员撞开门，把他们救了出来。 open out 展开；张开；通向；变宽
It will be difficult for her to open out and discuss her problems freely with you. 她将很难敞开心扉跟你无拘无束地讨论自己的问题。 open your/sb’s eyes open your/sb’s eyes (to sth)= （使人）长见识（或开眼界、认清事实） Travelling really opens your eyes to other cultures. 旅游真正能使人开阔眼界，认识其他文化。