doldrums
/ˈdɒldrəmz/plural noun
1the doldrums
- a state or period of stagnation or depression停滞; 萧条状态; 萧条时期：
the mortgage market has been in the doldrums for three years.
三年来抵押信贷市场一直萎靡不振。
1.1
- an equatorial region of the Atlantic Ocean with calms, sudden storms, and light unpredictable winds（大西洋的）赤道无风带（无风, 有突来的暴风雨以及不可预测的微风）。
词源
late 18th cent. （as doldrum 'dull， sluggish person'）： perhaps from DULL, on the pattern of tantrums.