1. go through 参加；经受；仔细检查；被通过

eg It was evident that someone had gone through my possessions.

显然有人翻过我的物品。

2. in all directions 四面八方；全面地；向各方面

eg Current-carrying electrons in a metal travel in all directions, with only a slight average tendency toward the direction of current flow.

载流电子在金属中向各个方向的运动，总体上只有轻微的向电流的流动方向移动的趋势。

3. up and down 上上下下；到处；前前后后；来来往往

eg What you do is squat up and down really fast.

你 所要做的就是真正快速地上下蹲坐。

4. so that 以便；所以

eg He wrote down my address, so that he might remember it.

他写下了我的地址，以便能够记住它。