underdog
/ˈʌndədɔg; ?@ -dɔ:g; `ʌndɚˌdɔɡ/ n
(esp 尤作 the underdog) person or country, thought to be in a weaker position, and therefore unlikely to win a contest, struggle, etc 处於劣势的人或国家（不易在竞争、 斗争等中获胜的）
crowds supporting the underdog 为处於劣势的一方鼓劲的人群.