This means that appearances can be deceptive and things that look or sound valuable can be worthless.
('All that glistens is not gold' is an alternative.)
If you put all your eggs in one basket, you risk everything at once, instead of trying to spread the risk.
(This is often used as a negative imperative- 'Don't put all your eggs in one basket'. 'Have your eggs in one basket' is also used.)
(USA) Used in response to someone saying "almost" in a win/lose situation. The full expression is "Almost only counts in horseshoes and hand grenades." An alternate form puts "and flinging shit from a shovel" at the end.
If someone is always a bridesmaid, never a bride, they never manage to fulfill their ambition- they get close, but never manage the recognition, etc, they crave.
This simile means that someone is crazy or behaves very strangely. In the past many people who made hats went insane because they had a lot of contact with mercury.
A fire-guard is used in front of a fireplace for safety. A chocolate fire-guard is of no use. An alternative to 'As much use as a chocolate teapot'.
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