Refers to the situation surrounding a narrow escape or avoidance of a difficult issue. It means risky, uncertain until the end. Example: The complicated medical operation was touch and go for several hours.
To become worn gradually through use. This idiom is separable. Example: If you drag your feet while you walk, you'll wear down your shoes quickly.
To disappear gradually. Example: My headache isn't serious. It'll wear off after an hour or so.
To terminate, to dicontinue. This idiom is separable. Example: After the war began, the two countries broke off diplomatic relations. Elisa and Bob were once engaged, but they have already broken it off.
To say nothing of; not to mention — used especially to emphasize the improbability of a contrasting example. "Let alone" is used after negative forms. Example: I'm to sick to walk to the kitchen, let alone to go to the ZOO with you.
Not to disturb, to stay away from; to let alone. This idiom is separable. Example: Leave the baby alonefor a while, and she may fall asleep. After the cat had scratched Peter twice, he left it alone.
To wait until late at night without going to bed. Example: Don't wait up for me. I may be back very late.
To return a bought or borrowed item; also "to take back". To bring back is used when you are speaking at the place that an item is bought or borrowed, to take back is used when speaking at another place. Both of this idioms are separable. Example: You can borow my car if you promise to ...
