off-chance

n.

极小的，极罕见的机会；

Quarterback Wyatt brachte die Devils um Play-off-Chance
Humping it over the hump (or) I keep shoveling on the off-chance that there is a pony around here somewhere
Football: Holleran Sees off Busst to Ignite Play-Off Chance; SOUTHERN LEAGUE
Tate Pledges to Play through Pain Barrier for Play-Off Chance
Dorridge Home That Is Family Tested and Future-Proofed; FOCUS It Is a One-Off Chance at a Top Borough Address, Designed, Built, Trie...
Golf: Els Again after Lonard Misses Play-Off Chance
Scientists get one-off chance to study great white shark close up
Derby Battle Crucial to Quins' Play-Off Chance [Edition 2]
A One-Off Chance for Bargain
Play-off chance for McGhee to make his mark; Stewart Fisher says seasoned Scot knows today could bring dream move, or disaster