You gotta open up the stance a little bit.兩腿站開點
gotta<美俚> (=have got to) 必須<美俚><美俚>美俚>
open up打開
Coughing like that might open up your wound.
你那樣咳嗽會把傷口震開的。
a little bit有點兒; 一點兒
Helen sing a little bit worse.
海倫唱得稍微差一點。
He was a little bit under the weather.
他生病。