be like getting blood out of (或 from) a stone (北美

be extremely difficult (said in reference to obtaining something from someone)

就像從石頭上榨出血來（比喻很難從某人身上獲取某物）

getting a story out of her is like getting blood out of a stone!.

讓她開口講故事如登天一樣難！。

blood and guts

(informal)violence and bloodshed, especially in fiction

(非正式)（尤指小說里描寫的）兇殘，血腥

blood and thunder

(informal)unrestrained and violent action or behaviour, especially in sport or fiction

(非正式)（尤指體育或小說中）拼打動作，暴力情節(jié)

blood is thicker than water

(proverb)family relationships and loyalties are the strongest and most important ones

(諺)血濃于水

one's blood is up

one is in a fighting mood

怒火中燒（指準備大打出手的心情）

blood, sweat, and tears

extremely hard work; unstinting effort

做牛做馬的活；不懈的努力

blood will tell

(proverb)family characteristics cannot be concealed

(諺)家族的特性總會顯露

first blood

the first shedding of blood, especially in a boxing match or formerly in duelling with swords

（尤指拳擊比賽或決斗中的）最先見血

the first point or advantage gained in a contest

（比賽中）先得分，占先

King &B{drew first blood} when he took the opening set.

在網(wǎng)球開盤局中金搶先得分。

give blood

allow blood to be removed medically from one's body in order to be stored for use in transfusions

獻血

have blood on one's hands

be responsible for someone's death

負有血債

in one's blood

ingrained in or fundamental to one's character

天生就有的，骨子里存在的

racing is in his blood.

他天生長于賽跑。

make someone's blood boil

(informal)infuriate someone

(非正式)激怒，使怒火中燒

make someone's blood run cold

horrify someone

使不寒而栗

new (或 fresh) blood

new members admitted to a group, especially as an invigorating force

新成員，新人，新鮮血液