英 [ˈlet ʌp] 美 [ˈlet ʌp]
减弱，停止：指情况变得不那么严重或停止，常与“on”连用。
减缓，放松：指减少或放慢速度。
let up // [ letting lets ]
动词词组 If an unpleasant, continuous process lets up, it stops or becomes less intense. 停止; 减弱
The traffic in this city never lets up, even at night.
这座城市里的交通从不会停止，即使是在晚上。
... let up减小,渐渐停止 lose weight体重减轻;减肥 reduce to变少;使处于,使成为(某种情况或状态) ...
... let out放掉(水等)/发出 let up减小/(雨等)渐渐停止 lie down躺下/(故意)躺下不干 ...
... let off 放过(尤指免于处分);原谅;饶恕 let up 减小;减弱;放松;中止;停止 lie in 在于 ...
... ledger system 总帐系统 ledger transfer 分类帐转帐 let up 减少；慢慢中止；停止 ...
We mustn't let up now.
我们现在可不能放松啊。
If you fall, dust it off. Don't let up.
如果你跌倒了，掸掉身上的灰尘，不要放松。
Come along, old chap, and I'll ask the widow to let up on you a little, Huck.
走吧，哈克，老伙计，我去跟寡妇讲，让她对你要求宽容一些。
John Henry grew up in a world that did not let children stay children for long.
VOA : special.2009.02.21
So let me go back up here, and I'm going to comment out that region, and let's uncomment this region.
那么让我们回到这里，我会为这个区域添加注意，让我们先取消注释。
计算机科学及编程导论课程节选 : 麻省理工公开课
I actually think there's something to be said for the fact that if your a company, let's say, starting up,
我其实觉得这应该使人关注，如果你的公司，也许在创业的阶段，
SpeakingMax英语口语达人 : 广告和价格的关系
"So we raise her up every morning We take her down every night, We don't let her touch the ground, And we fold her up right.
VOA : special.2010.07.02
"Ok,Let's see,grocery shopping, Halloween decorating,dog to the groomer, hardware store,clean up the garden ...
VOA : special.2010.10.30
But from the opening buzzer the Rams launched a full-court press, and never let up.
During a game against the Bakersfield Jam, he urges his huddled players not to let up.
But we cannot let up -- not when domestic violence still kills three women a day.
WHITEHOUSE: President Obama Signs the Violence Against Women Act Reauthorization | The White House