1.speak for itself 無需進(jìn)一步說明，不言而喻
例句：How suave was the counsel of his appearance! How feelingly did his superior state speak for itself!
他溫文爾雅的外表本身就多么具有說服力埃他身份高貴又是多么顯而易見！
2.speak one’smind 把想法說出來
例句："On an occasion of this kind it becomes more than a moral duty to speak one's mind. It becomes a pleasure" (Oscar Wilde).
“在這樣的場合下，說出自己的心里話不僅是道德上的責(zé)任，也是一種樂趣”（奧斯卡·王爾德）。
3.specialize in 專門研究，專門從事
例句：Her intense wish was to qualify for the Indian police force so she could specialize in enforcement of the child marriage prohibition law.
她的強(qiáng)烈愿望是取得印度警員資格，這樣她就可以專門致力于廢除童婚法律的執(zhí)行了。
4.speculate on 思考,思索,猜測，推測，推斷
例句：The company declined to speculate on how much asset sales have raised so far.
AIG拒絕推測迄今已通過資產(chǎn)出售籌集了多少資金。
5.speed limit （尤指在特定地區(qū)為汽車行駛規(guī)定的）速度極限
例句：The policeman told him that he had been exceeding the speed limit and asked to see his documents.
警察說他一直在超速駕駛并要求看他的證件。
6.speed up （使）加快速度
例句：The spokesman said the train speed up to 250 kilometers per hour.
這名發(fā)言人說，列車行駛速度最高可達(dá)每小時250公里。