the upper hand
US /ðə ˈʌpər hænd/
UK /ðə ˈʌpər hænd/

1.
上风, 优势
an advantage or control over someone or something
:
•
She always tries to get the upper hand in any argument.
她总是试图在任何争论中占据上风。
•
Our team gained the upper hand in the second half of the game.
我们的队伍在比赛的下半场占据了上风。