crank up
To cause to start or get started as if by turning a crank:
轉(zhuǎn)動(dòng)曲柄似地使…開始：
cranked up a massive publicity campaign.
開始了一次大規(guī)模的宣傳運(yùn)動(dòng)
To cause to intensify,as in volume or force:
使增大,使增強(qiáng)：在體積或強(qiáng)度上使…增強(qiáng)：
cranks up the sound on the stereo.
使立體聲的聲音增強(qiáng)
所以不同語境翻譯不同
1 我們想馬上開始
2 我們想把聲音調(diào)大