查询词典 introduce sb. to sth.

Pull sb's chestnuts out of the fire (亦作pull the chestnuts out of the fire for sb)— to help sb out of a difficulty at one's own risk; to assure another's burden or hardship代某人火中取栗,替某人冒险;为某人挑重担 I had pulled the chestnuts out of the fire for him on several occasions and was unwilling

to do it again。我已经替他冒险过好几回，我不愿意再干了。

doing;keep sb. from doing;stop sb.doing,其中keep sb.

doing意为"使……持续做某事"，意思就不同了。

Be on one's guard against sb.; keep a wary eye on sb.; be vigilant against sb.

我对减价商品有点戒心。

Buddy up to sb -- make friends with sb , follow sb

怎么这么多，这里我学到几个单词和词组

According to the heterogeneous migmatite and granite of South and North Dabie Blocks, and the formula △h=h which was inferred in this paper, the melting of metamorphio rock might make NB uplift about 4. 4km, but SB only about 1. 9km. Therefore, the difference of melting degree of metamorphic rocks of NB and SB led to the volume different, and this could be one of the reasons of different uplift of NB and SB.

根据南、北大别地块混合岩、花岗岩分布不均匀的特点和本文推导的公式Δh=h(〓-1)估算表明，变质岩的熔融可使北大别地块隆升幅度达4.4km，而南大别隆升幅度仅为1.9km，因此，南、北大别变质岩熔融程度差异所引起体积变化的不同，可能是南、北大别地块差异隆升的原因之一。

On behalf of sb/on sb's behalf idm (=as the representative of sb or instead of them)ad.

代表某人或代替某人

Part company ( with/ from sb ) to leave sb; to end a relationship with sb

离开；分手；断绝关系；散伙

Make jokes on sb./ play a joke on sb. make fun of sb.

以上短语意思是"取笑某人，开某人玩笑"。。。

Raise group of engineer of instrument life to develop through put sb in a very important position but system of put sb in a very important position, can improve instrument put sb in a very important position as far as possible, prolong the life that tests a system at the same time.

工程师团队开辟可重用系统，就能够尽可能进步仪器重用，同时耽误测试系统的寿命。

Ring sb up/ phone sb/ call sb.

打电话给某人。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48