He took the plunge into the deep end.

他跳入深水区。

《牛津词典》

He braced himself for the icy plunge into the black water.

他准备跳入冰冷的黑水。

《柯林斯英汉双解大词典》

The company is planning a deeper plunge into the commercial market.

这家公司正计划进一步投入商业市场。

《牛津词典》

I found that day's ride quite unpleasant, and at our several camps readily availed myself of the opportunity to plunge into the Pecos, muddy as it was;

VOA: special.2010.04.26

Scores of American banks have failed since the start of the financial crisis that helped plunge the United States into a deep and prolonged recession.

VOA: standard.2009.10.01

Enough is enough." But Treasury Secretary Geithner insists the $787-billion stimulus package President Barack Obama signed into law in February has worked to stop the plunge of an economy that was in freefall when Mr.Obama came into office.

VOA: standard.2009.11.01

So, when WPSX took the plunge into SFNs, it opted for option two, distributed transmission.

ENGADGET: blogger-avatar

Executive teams that have not taken the plunge into social are often paralyzed when challenges arise.

FORBES: Social Media in the C-Suite

Japan is about to plunge into a recession after eight years of almost nonexistent growth.

FORBES: Fact and Comment