1.be able to 能夠;能;會
Chantal was lucky to be able to salvage her career.
尚塔爾能保住她的事業算是走了運。
He conjectured that some individuals may be able to detect major calamities.
他猜測說有些人也許能夠察覺重大災難。
2.swear to v.斷言
We swear to collect this blood debt.
我們誓死要報這血海深仇!
We have a witness who would swear to it in a court of law.
我們有一位證人愿意在法庭上宣誓作證。