come upon somebody/something phrasal verbphr v a) CHANCE/BY CHANCEto find or discover something or someone by chance 偶然发现,无意中找到 We came upon a cottage just on the edge of the wood. 我们无意中在树林边发现了一间小屋。
b) literary if a feeling comes upon you, you suddenly feel it 〔某种感觉〕向…袭来 A wave of tiredness came upon her. 一阵倦意向她袭来。
→ come upon somebody/something at come1(PHRASAL VERB)