swear blind (或 北美

(Brit. informal)affirm something emphatically

(英，非正式)斷定，一口咬定

his informant swore blind that the weapons were still there.

他的線人一口咬定說(shuō)武器還在那里。

swear something out

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

(美律)經(jīng)宣誓保證所控屬實(shí)后發(fā)給（拘捕證）

swear at

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

咒罵，詛咒：以骯臟、激烈或褻瀆的語(yǔ)言辱罵；詛咒

swear by

To have great reliance on or confidence in

非常依靠或信賴…

He swears by his personal physician.

他很信任他的私人醫(yī)生

To have reliable knowledge of; be sure of

對(duì)…很明了；確定…

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

我想她說(shuō)過(guò)要去圖書(shū)館，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義起誓

swear in

To administer a legal or official oath to

使…作法律或就職宣誓

swear in a mayor.

使市長(zhǎng)宣誓就職

swear off 【非正式用語(yǔ)】

To pledge to renounce or give up

保證棄絕或放棄

She has sworn off cigarettes.

她已保證戒掉香煙

swear out &I{【法律】}

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

經(jīng)宣誓保證屬實(shí)后而獲得（逮捕令）