If you gradually move your tongue forward towards the th-sound, stopping halfway, your tongue will be behind your teeth, and the pitch will get higher.

假如你渐渐将舌头前移向发 th 声所在的位置，然后半路停下，你的舌头会停在你的牙后，同时音调会升高。

France's high labor costs seem to be behind the drop off in exports.

法国的劳动力成本高，似乎是出口下降背后的原因。

Personally, I think a clever monkey could be behind the whole thing.

我个人认为，这整件事情的背后很可能是由一个聪明的猴子在幕后策划的。

Investors themselves may actually be behind the rise in fees, however.

然而，投资者自己也许落后于上涨的费用。

Dehydration or a medication side effect may be behind a hallucination.

她的脱水或药物副作用可能给她留下一个幻觉。