Acid Test :
Ace In The Hole :
An ace in the hole is something other people are not aware of that can be used to your advantage when the time is right.
Ace Up Your Sleeve :
If you have an ace up your sleeve, you have something that will give you an advantage that other people do not know about.
A Chain Is No Stronger Than Its Weakest Link. :
This means that processes, organizations, etc., are vulnerable because the weakest person or part can always damage or break them.
Achilles’ Heel :
The only assailable or vulnerable part
Acid Test :
An acid test is something that proves whether something is good and effective or not.
Across The Board :
If something applies to everybody, it applies across the board.
Across The Ditch :
This idiom means on the other side of the Tasman Sea, used to refer to Australia or New Zealand depending on the speaker’s location.
Across The Pond :
This idiom means on the other side of the Atlantic Ocean used to refer to the US or the UK depending on the speaker’s location.
Act of God :
An act of god is something like an earthquake or floods that human beings cannot prevent or control.
Act of War :
An act of war is an action that is either intended to start a war or that is interpreted as being sufficient cause for a war.
Actions Speak Louder Than Words. :
This means that what people actually do is more important that what they say. Because, people can promise things but then fail to deliver.
Act The Giddy Goat :
To act the giddy goat means to behave foolishly.
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