lethargic adj. 昏睡的(of, relating to, or characterized by lethargy)
lewd [lju:d] adj. 好色的(sexually unchaste or licentious);猥琐的(obscene,vulgar)
[例]Afraid that the lewd nature of the plays being presented would corrupt the morals of their audiences, the Puritans closed the theaters in 1642.
listless adj. 无精打采的(spiritless;languid)
loath adj. 不情愿的，勉强的(unwilling)
[例]Far from being unctuous, Pat was always loath to appear acquiescent.
[同]disinclined, averse, hesitant, reluctant
loathe v. 憎恨，厌恶(abhor;detest;hate)
loquacious adj. 多嘴的，饶舌的(very talkative;fond of talking)
lucid adj. 表达清楚的，明白易懂的(well expressed and easy to understand)
[例]Although just barely adequate as a writer of lucid prose, Jones was an extremely capable editor who worked superbly with other writers in helping them improve the clarity of their writing.