meet 普通用词，本义指双方或多方从不同方向或相反方向作向对运动，最终相碰(遇)。
encounter 通常指遇到困难或挫折，也指偶然或意外地相遇。
confront 不可避免的，面对面的相遇。也指敢于正视困难或问题的决心和信心。
face 侧重双方静止地面对面，或指指充满勇气、信心和决心正视人或事。
contact 多指通过书信、电话或直接会面和别人联系。口语用词。
参考例句
1. The next big issue confronting the workers is the question of wages. 摆在工人面前的第二大问题是工资问题。
2. But why must you confront him? 但是为什么你必须对抗他?
3. Are you ready to confront the future? 您是否已经准备好面对未来？
英英解释
v.
1. oppose, as in hostility or a competition
2. deal with (something unpleasant) head on
3. present somebody with something, usually to accuse or criticize
4. be face to face with
