swear blind (或 北美

(Brit. informal)affirm something emphatically

(英，非正式)断定，一口咬定

his informant swore blind that the weapons were still there.

他的线人一口咬定说武器还在那里。

swear something out

(US Law)obtain the issue of (a warrant for arrest) by making a charge on oath

(美律)经宣誓保证所控属实后发给（拘捕证）

swear at

To use abusive, violent, or blasphemous language against; curse.

咒骂，诅咒：以肮脏、激烈或亵渎的语言辱骂；诅咒

swear by

To have great reliance on or confidence in

非常依靠或信赖…

He swears by his personal physician.

他很信任他的私人医生

To have reliable knowledge of; be sure of

对…很明了；确定…

I think she said she was going to the library, but I couldn't swear by it.

我想她说过要去图书馆，但我不肯定

To take an oath by

以…起誓

He swore by all the angels and saints of heaven.

我以天堂中所有的天使和圣人的名义起誓

swear in

To administer a legal or official oath to

使…作法律或就职宣誓

swear in a mayor.

使市长宣誓就职

swear off 【非正式用语】

To pledge to renounce or give up

保证弃绝或放弃

She has sworn off cigarettes.

她已保证戒掉香烟

swear out &I{【法律】}

To swear out (a warrant for arrest) by making a charge under oath.

经宣誓保证属实后而获得（逮捕令）