letup

n.

停止，中止，减弱；

1. The surgeons have been working for twenty hous without letup.
   那些外科医师一连工作了二十小时没有停止。

No letup seen in consolidation.
No letup in the demand for Prozac
No Letup in Insurgent Violence in Dagestan
No Letup In Prescription Drug Cost Rises Seen
No Letup In Political Witch-Hunts Under Obama
Cisco: No Letup in Growth of Mobile Network Traffic
Surveys Shows No Letup In Soft Commercial Market
Despite Regulatory Hurdles, No Letup in Demand for CLOs
In Focus/3Q Earning: No Letup in Commercial Portfolio Risk-Cutting
Top 10 of 2015: Despite Red Flags, No Letup for Subprime Autos