n.胜人一筹的,占上风的;
vt.领先,胜过;
例句:
B There's one up there, on the left.
B在那里有一家, 在左边.
Your most common doubles formation is one-up, one-back.
你常见的的双打站位是一前一后.
Mark is one up on Louise.
马克比路易斯略胜一筹.