helm
/helm; hɛlm/ n
1 handle or wheel for moving the rudder of a ship or boat 舵柄; 舵轮
(fig 比喻) the helm of state, ie government of a country 政府. Cf 参看 tiller.
2 (idm 习语) at the `helm at the head of an organization, etc; in control 担任某一组织等的领导人; 掌权.