press (your) luck

See at: down on luck

• at wit's end
• at worst
• a two-way street
• at your best
• at your convenience
• at your earliest convenience
• at your expense
• at your fingertips
• at your leisure
• at your mother's knee
• at your own game
• at your wit's end
• au courant
• au naturel
• autumn years
• avail of
• avail of something
• avail yourself of
• avail yourself of something
• avant-garde
• average out to
• average out to something
• a vicious circle
• a voice in the wilderness
• avoid like the plague