To go to extremes, especially as a result of enthusiasm.走極端，尤指由激情引起地
柯林斯高階英漢雙解學(xué)習(xí)詞典釋義
ADV
向舷外
If you fall overboard, you fall over the side of a boat into the water.
例句
His sailing instructor fell overboard and drowned during a lesson...他的航海教練在一次訓(xùn)練課時(shí)從船上失足跌入水中，溺水身亡。He had jumped overboard in New York harbor and swum to shore.他在紐約港跳下船，游上了岸。
PHRASE
做得過(guò)分（或過(guò)火）
If you say that someone goes overboard, you mean that they do something to a greater extent than is necessary or reasonable.
例句
Women sometimes damage their skin by going overboard with abrasive cleansers...女性有時(shí)因過(guò)度使用磨砂膏而損傷了皮膚。What do you think causes the police to go overboard, to use excessive violence?你認(rèn)為是什么原因?qū)е戮煨袨檫^(guò)激，濫用暴力？
PHRASE
拋棄，丟棄（想法、建議等）
If you throw something overboard, for example an idea or suggestion, you reject it completely.
例句
They had thrown their neutrality overboard in the crisis.他們?cè)谶@場(chǎng)危機(jī)中丟棄了中立立場(chǎng)。
英漢詞典釋義
adv.
越過(guò)船邊墜入水中, 在船外
A sailor fell overboard and was rescued.一個(gè)船員從船上落入水中, 被救了上來(lái)。
充滿熱情；全身心投入；非常熱中
I told her just to cook a simple meal but she went completely overboard.我只讓她做頓便飯，可她很有興致，做得很豐盛。He doesn’t just like her. He’s gone completely overboard about her.他可不僅僅只是喜歡她而已，他簡(jiǎn)直為她著迷。
拒絕； 丟棄
All ideas of reform were thrown overboard when the new government came to power.新政府上臺(tái)后，所有的改革構(gòu)想都被棄置一邊。