let up

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++→ See Verb tableˈlet-up (also letup American English) /ˈletʌp/ noun [singular, uncountable]  PAUSEwhen something unpleasant stops or becomes less difficult, severe etc 中止，平息；减弱no let-up/not any let-up The pressure at work continued without any let-up. 工作上的压力还是丝毫没有减轻。let-up in Streets were flooded, but still there was no let-up in the rain. 街道上都漫了水，可雨还是下个不停。 → let up at let1

Examples from the Corpus

let-up• There can be no let-up in the war against drugs.• There's going to be no let-up, you know.• There was to be no let-up for more than three months.• On past form he need fear no let-up in the fight.• At peak times there is no let-up with an endless string of calls back-to-back.• The second period saw no let-up from either side with both still determined to play 15-man rugby.

ˈlet-up nounChineseSyllable  

less or Corpus stops when becomes something unpleasant

let up

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++let up  → let up at let1(PHRASAL VERB)

let up  

let up
let up phrasal verb (see also let)
1. to become less severe or harmful:
    The wind had dropped and the rain gradually let up.
2. to be less severe, unkind, or violent towards someone:
    Even when the crowd had scattered, the police didn’t let up.
3. to stop working as hard as you were:
    You’re doing really well, but you can’t afford to let up now.

●ˌlet ˈup(informal) to become less strong 减弱；减轻◆The pain finally let up. 疼痛终于减轻了。🔊to make less effort 放松（努力）；松劲◆We mustn't let up now. 我们现在决不能放松。🔊  ➡  related noun let-up