[in the lap of luxury] {adv. phr.} Well supplied with luxuries; […]

[in the lap of the gods] also [on the knees of […]

[in the least] {adv. phr.} Even a little; in any degree […]

[in the line of duty] {adj. phr.} Done or happening as […]

[in the long run] {adv. phr.} In the end; in the […]

[in the lurch] See: [LEAVE IN THE LURCH].

[in the main] {adv. phr.}, {formal} In most cases; generally; usually. […]

[in the market for] {adj. phr.} Wishing to buy; ready to […]

[in the middle] {adv.} or {adj. phr.} In between two sides […]

[in the middle of nowhere] {adv. phr.} In a deserted, faraway […]