[brown study] {n. phr.} A time of deep thought about something; […]

[eating one] {v. phr.} To cause someone to be angry or […]

[in a bad frame of mind] {adv. phr.} In an unhappy […]

[in a good frame of mind] {adv. phr.} In a happy […]

[in the mood (for)] {adj. phr.} 1. Interested in doing something. […]

[mad as a hornet] or [mad as hops] or [mad as […]

[out of sorts] {adj. phr.} In an angry or unhappy mood; […]

[screw up one's courage] or [pluck up one's courage] {v. phr.} […]

[see the light] {v. phr.}, {informal} To understand or agree, often […]

[seize on] or [upon] {v. phr.} To latch onto. * /Whenever […]