您要查找的是不是：
- To come upon and observe 发现:偶然遇到并观测
- To come upon by chance or arrangement. 遇见，碰见邂逅或经安排而见面
- To come upon, often by accident; meet with. 遇到通常不经意地遇到；遇见
- She came upon and old friend in the street. 她在街上碰见了一位老朋友。
- Jim is a warmhearted person to come and go upon. 吉姆是个热心人，可以信赖。
- They decided to come upon the enemy stronghold by night. 他们决定夜间进攻敌人的据点。
- They decided to come upon the enemy strongholdby night. 他们决定夜间进攻敌人的据点。
- Strange thing to come upon a longboat so far out in open water. 公海上突然出现一艘救生艇真是一件怪事.
- It is never wise to come between a man and his wife. 干预人家夫妇间的事是不智的。
- She took the huff and went to come other store. 她恼了，去了另一家商店。
- I hope you'll find time to come and see us. 我希望你有时间来找我们。
- WEBSTER说：surprise is to come upon suddenly or unexpectedly; take unawares. 从火车站回到家。我做的第一件事是查字典。
- If I need you to come and help I'll call. 如果我需要你来帮忙，我会打电话的。
- He opened the door and motioned me to come in. 他打开了门，招手让我进去。
- Last week all PYP parents were invited to come and observe classes on two separate days. 上周，所有的PYP家长都分开两天被邀请来校听课。
- To come upon and follow 追踪:偶然遇上并跟随
- You try and persuade her (to come out with us). 你去试试劝她(跟我们一起出去)吧。
- The enemy came upon us only to be entrapped and wiped out. 敌军发动袭击，结果反陷入我方伏击而被歼灭。
- He told me to come at7 and take pot luck. 他让我七点钟来吃顿便饭。
- I come upon a group of children play in the street. 我遇到一群孩子在街上玩耍。
