1.struggle to 奋斗

例句:So when minorities fuss about ethnic issues, Dutch people often struggle to understand.

因此当少数群体烦恼种族问题时，荷兰人往往难以理解。

2.return to 返回

例句:She plans to return to Dublin to catch up with the relatives she has not seen since she married.

她打算回都柏林，去看望一下结婚后就再没见过面的亲戚。

3.offer to 提供给

例句:That same day, Silver Lake raised its offer to$ 12.70 per share.

就在同一天，银湖将出价抬高到了每股12.70美元。

4.date back to 追溯到

例句:The origins of chemical kinetics date back to the nineteenth century and Wilhelmy's observations of reaction rates.

化学动力学数据研究的起源可以追溯到19世纪威海姆对反应速率的观察。