phr. not enough to swear by 仅仅一点点
swear at 1. 诅咒，咒骂
Do not hit and swear at people. 不要打人骂人。
2. (颜色等)与…不协调
His cap swore at his coat. 他的帽子与上衣不相称。
swear black is white 把黑的说成白的；不惜一切，不择手段
He will swear black is white if it suits his purpose. 只要有利于达到目的，他不惜颠倒黑白。
swear blind 〈口〉强调地说
swear by 1. 以…发誓
He swore by his honour he would return the bike. 他以自己的名誉发誓保证归还自行车。
The witness swore by the Bible that he would tell the truth. 证人以《圣经》的名义起誓保证说实话。
2. 〈口〉极其信赖；经常使用；推荐
swear by one's doctor 极其信赖自己的医生
swear by Tamiflu for bird flu 极其相信达菲能治禽流感
swear for 保证，担保
I'll swear for his honesty. 我愿担保他是诚实的。
swear in 使宣誓就职
swear in a mayor 使市长宣誓就职
be sworn in as Treasury Secretary 宣誓就任财政部长
swear into 使宣誓参加(组织等)
Many new men were sworn into the army last month. 上个月许多新兵宣誓入伍。
swear like a trooper (或 pirate) 破口大骂
swear off 〈口〉保证戒掉；放弃(某种心爱的事物)
He has sworn off (smoking) cigarettes. 他已保证戒烟。
swear off candy 保证不再吃糖果
Since his illness, he has had to swear off tennis. 他自从患病以来不得不停止打网球。
swear out 〈美〉经宣誓保证所控属实后由司法机关发给(拘捕证等)
The detectives swore out a search warrant. 探员们宣誓保证所控属实后拿到了搜查证。
swear the peace against sb. 见 peace
swear to 1. 对(神等)起誓
2. 就…宣誓作证；就…起誓表示
I don't remember the man's appearance well enough to swear to in court. 那男子的外貌我记得不够真切，不能在法庭上宣誓作证。
Will you swear to the truth of what you said? 你愿起誓保证所说属实吗?
3. 断言…确凿无疑，断定
He swore to having seen that movie some time before. 他断言说他不久前肯定看过那部电影。
I couldn't swear to its having been done. 我不能肯定那事是否做了。
swear to it 肯定是这样，断定如此
cannot swear to it 不能肯定如此
I am not prepared to swear to it, but I thought I saw him once. 我不能断定，但我想我曾经见过他。
swear up and down 〈美〉= swear blind