to act or decide you are not going to do anything.

The time has come when you have to fish or cut bait — either you help us plan what to do or we will decide and go ahead without you.

• at best
• at convenience
• at cross purposes
• at cross-purposes
• at death's door
• at each other's throats
• at earliest convenience
• at ease
• at elbow
• a tell-tale
• a tempest in a teapot
• at every turn
• at expense
• at fingertips
• at first blush
• at first glance
• have a shot at
• have a shot at someone
• have a shot at something
• have a shufti
• have a snowball's chance in hell
• have a soft spot for
• have a soft spot for someone
• have a soft spot for something
• have a stab at