Get your head around it:
用头绕着某物 ×
明白，搞清楚 √
例句：
I didn't get my head around the fact yet.
我至今没搞清楚事情的真相。
Step up your game:
走向你的游戏 ×
有更好的表现 √
例句：
If you want to win this competition, you'll have to step up your game.
如果你想赢得这场比赛，你必须得有更好的表现。
To see red:
去看红色 ×
生气 √
例句：
It always causes me to see red whenever he tells a lie.
当他说谎时，不管什么时候总是引起我的愤怒。
