1. hinge on/upon 取決于
Mr Obama has so far been unwilling to support such measures, but his resolve may hinge upon the mood of the electorate.
奧巴馬迄今為止一直不愿支持這些舉措，但他的決定可能還是要取決于選民的情緒h!+hO,GlP0hb_LOd。

2. bring forth 使……展現出來
The eternally young spirit of America has been a source of the strength all of you bring forth today and has been a beacon of hope to the world.
美國永恒的青春氣息是今天各位所展現出來的力量的源泉，也是這個世界希望的燈塔Vlg%)t[Ji*O8]do。

3. hard sell 硬性推銷
But these plans may turn out to be a hard sell.
但是，這些計劃可能很難有說服力8Fn63IVb~&4rBh&cC。

4. tap into 進入；利用，發揮
But it's less symptomatic of India's ambition to unleash cutting-edge innovation, he says, as much as its desire to tap into a new market.
不過，盡管渴望進入這個新的市場，他表示，但它與印度刺激尖端技術革新的抱負并無多大關系|rw*[PUFWM。