lapse

詳細解釋：

lapse

v.（動詞）
lapsed,laps.ing,laps.es
v.intr.（不及物動詞）

To fall from a previous level or standard, as of accomplishment, quality, or conduct:
退步：從先前的水平或標準降下來，如技能、質量或行為的退步：
例句：
lapse into bad habits; a team that lapsed into mediocrity halfway through the season.
沾染壞習慣；在一賽季中途變成表現平庸的球隊

To deviate from a prescribed or accepted way:
偏離正道：偏離已經規定的或公認的道路：
例句：
lapse into heresy.
陷入異端

To pass gradually or smoothly; slip:
滑落：逐漸地或平緩地通過；滑落：
例句：
lapse into reverie.
陷入冥想

To come to an end, especially gradually or temporarily:
終止：到達終點，尤指逐漸地或暫時地：
例句：
He realized that his attention had lapsed and he hadn`t heard the assignment.
他意識到他當時走神了且沒聽到分派的任務

To be no longer valid or active; expire:
失效：失效的或不再有效的；滿期的：
例句：
She allowed her membership to lapse after the first year.
她聽任她的會員資格在第一年後失效

Law To pass to another through neglect or omission. Used of a right or privilege, a benefice, or an estate.
【法律】 轉歸：通過忽視或省略傳給另一個。用於權力或特權、封地或財產
To go by; elapse:
（時間等）消逝：度過；消逝：
例句：
Years had lapsed since we last met.
從我們上次相遇後，幾年時間已經過去了

v.tr.（及物動詞）
To allow to lapse.
使失效
n.（名詞）
The act or an instance of lapsing, as:
退步，墮落：退步的行為或事例，如：
A usually minor or temporary failure; a slip:
失誤：通常很小或暫時的失敗；疏忽：
例句：
a lapse of memory; a lapse in judgment.
記憶的錯誤；判斷上的錯誤

A deterioration or decline:
後退：退化或下降：
例句：
a lapse into barbarism.
倒退到野蠻狀態

A moral fall:
道德上的墮落：
例句：
a lapse from grace.
名譽掃地

A break in continuity; a pause:
間隔：連續性的間斷；中斷：
例句：
a lapse in the conversation.
談話中的間隔

A period of time; an interval:
一斷時間；間隔：
例句：
a lapse of several years between the two revolutions.
兩次革命間幾年時間的間隔

Law The termination of a right or privilege through disuse, neglect, or death.
【法律】 失效，終止：通過不用、忽視或死亡而達到的權力或特權的終止

來源：
Middle English lapsen [to deviate from the normal]
中古英文 lapsen [從正常偏離]
from laps [lapse of time, sin] from Old French [lapse of time] from Latin l3psus [from past participle of] l3bo [to lapse]
源自 laps [時間流逝，罪行] 源自 古法文 [時間流逝] 源自 拉丁語 l3psus [] 源自l3bo的過去分詞 [消逝，終止]
and from Latin l3ps3re [frequentative of] l3bo
並源自 拉丁語 l3ps3re [] l3bo的重複動詞
Latin l3bo l3ps- [to lapse]
拉丁語 l3bo l3ps- [消逝，終止]

【引伸】
laps.er
n.（名詞）