重点讲解：
1. be convicted of 给…定罪；宣判…有罪；
They were shot yesterday after being convicted of mutiny and high treason.
在被宣判犯有叛乱罪和叛国罪后，他们昨天被枪决了B4FX,Pu%!W0。
2. step down 辞职；下台；让位；
He stepped down last month because of illness.
他上月因病辞去了职务Je0!tE8^cUH9iCfBCw,。
3. hand in 提出，递交（辞呈）；
I handed my notice in on Saturday.
我周六递交了辞职信A=OYxCaZa]Ta#5)-。
4. vie to do sth. 竞争；争夺；
Four rescue plans are vying to save the zoo.
4个拯救动物园的方案正争得不可开交L=WPt-ZMikO=31v^(9。