twice

Lightning does not strike twice.

something that you say which means that a bad thing will not happen to the same person twice. I know the crash has scared you, but lightning doesn't strike twice.

See also: does, lightning, strike

Once bitten, twice shy.

something that you say which means when you have had an unpleasant experience you are much more careful to avoid similar experiences in the future. After he left her she refused to go out with anyone else for a long time - once bitten, twice shy, I suppose.

See also: once, shy

---

not think twice about something

to do something quickly without considering it very much. With such a good offer from a buyer, I didn't think twice about selling the farm.

See also: about, think

think twice (about something)

to consider something more carefully. You may want to think twice before buying one of California's new earthquake insurance policies.

Usage notes: often used as a warning, and sometimes used in the form think twice before doing something: He said he is sorry and will think twice before giving such advice again.

See also: think