come across

动词 come across:

1. find unexpectedly
   同义词：fall upon, strike, come upon, light upon, chance upon, chance on, happen upon, attain, discover
2. be perceived in a certain way; make a certain impression
3. come together
   同义词：meet, run into, encounter, run across, see
4. communicate the intended meaning or impression
   同义词：come over
5. be received or understood
   同义词：resonate

1. I, came across an old school friend in Oxford Street this morning.
   今天早上我在牛津大街碰见一位老校友。
2. Come across to my office this afternoon.
   你今天下午到我办公室来一趟。
3. She, came across some old photographs in a drawer.
   她在抽屉里偶然发现一些旧照片。