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)

　　[记]分拆联想：list(名单)+less→榜上无名所以没精打采

　　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)

　　[记]来自loath(不愿意的，厌恶的);分拆联想：l(看作leave)+oath(誓言)+e→发誓离开→憎恨

　　loquacious adj. 多嘴的，饶舌的(very talkative;fond of talking)

　　[记]词根记忆：loqu(话语)+acious(多…的)→多话的

　　lucid adj. 表达清楚的，明白易懂的(well expressed and easy to understand)

　　[记]词根记忆：luc(光)+id→很光滑的→表达清楚的

　　[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.