encounter an old friend on the street
在街上偶然碰见一位老友
I bumped into Comrade Wang on my way to the bank.
我在去银行的路上偶然碰见了王同志。
She ran across an old friend of hers on the way to the station.
她在去火车站的途中，偶然碰见她的一个老朋友。
Alight on sth :find sth by chance
偶然发现,碰见某事物
Yesterday I blunder upon an old friend I hadn't seen for several years.
昨天我偶然碰上了一个几年没见面的老朋友。
I met him by pure chance.
我完全是偶然碰到他的。
The accidental striking of Timon's spade against it once more brought it to light
泰门的铁锹偶尔碰到它，使它重见天日。
Actually it was by chance that they had met.
他们那次碰到是偶然的事。
He took two arrows,and he must have hit his marker.
他中了两箭,一定是偶然碰到了传导器
While in Paris we chanced on two old friends.
在Paris我们偶然碰到两位老朋友.
I dropped across Mr. Smith yesterday.
我昨天偶然碰上史密斯先生。
We crossed her path at the station yesterday.
我们昨天在车站偶然碰到她。
He used to rub up against many famous movie stars.
他过去经常偶然碰到许多有名的影星。
Knock up against an old friend
偶然遇见一个老朋友
I came across her yesterday.
昨天我偶然遇见她。
He met an old friend by chance.
他偶然遇见一个老朋友。
a clerk I chanced to meet.
偶然遇见一位营业员。
a businessman I chanced to meet.
偶然遇见一位商人。