swear verb (USE RUDE WORDS)
- Please don't swear in front of the children.
- I swear quite a lot but even I draw the line at saying certain words.
- He was so angry he forgot himself and swore loudly.
- We could hear him cursing and swearing as he tried to get the door open.
- He was sent off for swearing at the referee.
swear verb (PROMISE)
[ + (that) ] You might find it difficult to believe, but I swear (that) the guy just came up to me and gave me the money. 你可能觉得这难以置信，但我发誓，那个人确实走过来把这些钱给了我。
UK informal She swore blind (= promised definitely) (that) she didn't know what had happened to the money. 她信誓旦旦地说她不知道钱哪儿去了。
[ + to infinitive ] New gang members must swear to obey the gang leaders at all times. 新的帮会成员必须发誓在任何时候都服从帮会头目。
A few of us knew what was going to happen, but we were sworn to secrecy (= we were made to promise to keep it a secret). 我们有几个人知道将要发生什么事，但我们已经发过誓要对此保密。
- He swore he would avenge his brother's death.
- He swore he'd pay her back for all she'd done to him.
- Soldiers must swear allegiance to the Crown.
- I swear to God I didn't know about it.
- I want you to swear that you will never try to see her again.