1. a whole lot of 很多；许多
"To see so many children out here having a great time just fills Michelle and myself and the entire family with a whole lot of joy. "
“看到这么多孩子在这里玩得开心，这让我和米歇尔以及我们全家感到由衷的高兴tgIt0VX0eIqC~hdL_tw。”

2. when it comes to 问题涉及到……时
When it comes to the question of euro entry, maybe the pound does not need much of a devaluation.
涉及到加入欧元区的问题时，英镑就可能不大需要贬值了RhYgNk-on;dQdW。

3. run for sth. 竞选……
They want him to run for Congress, but he said no.
他们希望他能竞选国会议员，但他决绝了nxYxMnX55=。

4. a critical role 至关重要的作用
China is now in a powerful position to play a critical role at the Group of 20 summit in London.
中国在伦敦举行的20国集团首脑会议上扮演了至关重要的角色P(L2lji.z&kt。