1.to one's surprise 令某人感到惊讶的是

To my surprise, I didn't feel defensive in the face of people's comments.

令我惊讶的是，面对人们的议论，我并不觉得被冒犯而摆出防备的姿态Tgbh.b&ML3D。

2.volunteer 主动建议(或告诉)

He didn't want to volunteer a lot of information, yet his role was essential.

他并不想主动告诉我们什么，然而，他所扮演的角色是至关重要的9[7Dna%&sG9_T0。

3.to make sure 为了确保

To make sure their children receive the best education, parents would queue up to send their children to famous schools.

为了确保他们的孩子得到最好的教育，父母们会排着队把他们的孩子送到有名的学校MEyTdP^vP;hhIkV-sM2。

4.given 考虑到，鉴于

Given the strength of pressure on both sides, the superpowers may well have difficulties sponsoring negotiations.

鉴于双方的强大压力，超级大国可能很难组织谈判)cRWEd%x*+ozxX0Lt=|。