例句：
If you don't keep your eye on the ball, you are not going to be successful.
如果你不努力，你是不会成功的。
Leave the door open:
不排除任何可能性
(to consider an idea, to allow some new situation to happen)
例句：
Rick haven't decided on whether or not to get married in the spring or the summer; they're also leaving the door open to a wedding in the fall.
Rick还没决定春天还是夏天结婚，但也不排除会在秋天结婚。
Look one's age:（to look younger or older than what is true）
看某人的年龄 ×
容貌与年龄相称 √
例句：
She doesn't look her age. She's actually much older than she looks.
她容貌与年龄相称不符的。她实际上比她看上去老得多。
Off the wall:
从墙上掉下来 ×
荒诞的；疯狂的 √
例句：
Our neighbor is an artist. He's a little off the wall, but everyone likes him.
我的邻居是一个艺术家。虽然他有点古怪，但是每个人都喜欢他。
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