eager
/ˈi:gə(r); `iɡɚ/ adj
1 ~ (for sth/to do sth) full of interest or desire; keen 热切的; 渴望的; 热心的
eager for success 渴望成功
eager to please 极想讨好（别人）.
2 (idm 习语) an eager `beaver (sometimes derog 有时作贬义) keen, hard-working and enthusiastic person 积极、 努力又热心的人.