be in the thick of (something)

to be very involved at the busiest or most active stage of a situation or activity.

A fierce debate ensued and he found himself in the thick of it.

I can't talk right now - I'm in the thick of things.

When you're in the thick of the action, you don't always have time to think.

• the home straight
• the home stretch
• the hot ticket
• the house from hell
• the icing on the cake
• the ins and outs
• the ins and outs of
• the ins and outs of something
• the Ivy League
• the jewel in the crown
• the joker in the pack
• the joke's on
• the joke's on someone
• the jury is out
• the jury is still out
• the kiss of death
• the knives are out
• the land of milk and honey
• the last gasp of
• the last gasp of something
• the last minute
• the last of the big spenders
• the last straw
• the last word in
• the last word in something