wheelhouse  
noun uk/ˈwiːl.haʊs/ us/ˈwiːl.haʊs/
  (ON BOAT)      
  [ C ] (also wheel-house, wheel house)操舵室 
a structure with a roof on a boat that provides shelter for the person who is controlling the direction of the boat
  The boat was hit by a 12-foot wave that broke over the wheelhouse. 这船被十二英尺高的浪击中,(浪)打在操舵室上。 
 On another trip, I took a cargo boat, sleeping on the wheel-house roof. 在另一次旅行中,我坐了货船,睡在操舵室的篷顶上。 
 I was alone in the wheel house when the ship was sighted. 船被发现的时候,我独自在操舵室。 
 - More examples
 - He was perched on top of the wheelhouse of the severely listing ship.
 - They could just make out the figure of the helmsman in the wheelhouse.
 - In the wheelhouse where the captain sits, shoals of fish show up as yellow blips on radar screens.
 - There was no communication link between the divers and the wheelhouse.
 
  (SKILL)     
someone's wheelhouse[ S ] informal US 强项
an area that someone is interested in and skilled at
  Finding new ways of advertising our products has always been my wheelhouse. 找到新方式来推广我们的产品一直是我的强项。 
 I first needed to figure out what was in my wheelhouse. 我得先找出我的强项是什么。 
 Unfortunately, for most of the time I had been working outside my wheelhouse. 不幸的是,大部分时候我都在做我不擅长的工作。