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. She encountered an old friend on the road. 她在路上偶然碰到一位老朋友。
2. Accidental encounter. She said that love. 偶然邂逅。她说那就是爱情。
3. Without your help, I will encounter lots of trouble. Everybody thinks you deserve the credit. 如果没有你的帮助，我将遇到很多麻烦，大家都认为是你的功劳。
英英解释
n.
1. a minor short-term fight
2. a casual or unexpected convergence
3. a casual meeting with a person of thing
4. a hostile disagreement face-to-face v.
1. come together
2. come upon, as if by accident; meet with
3. be beset by
4. experience as a reaction
5. contend against an opponent in a sport, game, or battle
