hold (your) breath

to wait for something.

I've been just holding my breath and hoping they'll call me back for an interview.

Etymology: based on the literal meaning of hold your breath (= to stop breathing)

• a baptism of fire
• a bargaining chip
• a basket case
• a battle of nerves
• a battle of wills
• a battle of wits
• ABCs of
• ABCs of something
• a bean counter
• a bear hug
• a beast of burden
• a belly laugh
• a Bible-basher
• abide by
• abide by something
• a big ask
• a big cheese
• a big deal
• a big fish
• a big fish in a small pond
• a big girl's blouse
• a big gun
• a big-head
• a big-mouth
• a big mouth