[ǒu rán]
accidental; fortuitous; casual; incidental; occasional; in case of accident; by coincidence; by chance; accidently; by accident; chance; chance to; have a chance to; happen to; It just so happened that ...
									
										accidental [fortuitous] phenomena
										偶然现象
									
									
									
										accident; a chance event
										偶然事件
									
									
									
										an occasional cause
										偶然原因
									
									
									
										run into an old acquaintance; meet an old friend by chance; come across an old friend
										偶然遇见一个老朋友
									
									
									
										an incidental acquaintance
										偶然相识的人
									
									
									
										The occurrence of such things is by no means fortuitous.
										出现这种问题绝不是偶然的。
									
									
									
										I struck upon that antique in a little shop in London.
										我在伦敦一家小店里偶然发现那件古物。