happen upon

Từ điển WordNet v3.1 - WordNet Dictionary

verb

find unexpectedly (Freq. 1)
- the archeologists chanced upon an old tomb
- she struck a goldmine
- The hikers finally struck the main path to the lake
• Syn:
fall upon, strike, come upon, light upon, chance upon,
come across, chance on, attain, discover
• Derivationally related forms:
discovery (for: discover)
• Hypernyms:
find, regain
• Verb Frames:
- Somebody ----s something