| chance upon | (phrv) พบโดยบังเอิญ, Syn. happen on |
| fall upon | (v) find unexpectedly, Syn. come upon, come across, happen upon, attain, chance upon, strike, discover, light upon, chance on, Example: the archeologists chanced upon an old tomb; she struck a goldmine; The hikers finally struck the main path to the lake |