僥幸的,幸中的,不可靠的
Fluky \Fluk"y\, a. Formed like, or having, a fluke.
fluky adj : subject to accident or chance or change; "a chancy appeal at best"; "getting that job was definitely fluky"; "a fluky wind"; "an iffy proposition" [syn: {chancy}, {flukey}, {iffy}] [also: {flukiest}, {flukier}]