He took the plunge into the deep end.

他跳入深水区。

《牛津词典》

But Reagan and Mrs (now Lady) Thatcher took the plunge and abolished controls.

但是里根与撒切尔女士（现在是夫人了）全力以赴，舍身饲虎，取消了（资本）控制。

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With Allen's encouragement, Gates took the plunge, dropped out of college, and created Microsoft.

在艾伦的鼓励下，盖茨决定冒险尝试，他退了学，创建了微软。

youdao

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

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In 1993, he finally took the plunge, forming Technical Consumer Products in, fittingly, Aurora, Ohio.

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It was yet another 1979 Porsche 928 that actually took the plunge, though.

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