動(dòng)詞 come across:

1. find unexpectedly
   同義詞：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
   同義詞：meet, run into, encounter, run across, see
4. communicate the intended meaning or impression
   同義詞：come over
5. be received or understood
   同義詞：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見(jiàn)一位老校友。
2. Come across to my office this afternoon.
   你今天下午到我辦公室來(lái)一趟。
3. She, came across some old photographs in a drawer.
   她在抽屜里偶然發(fā)現(xiàn)一些舊照片。