stolid
adj
(usu derog 通常作贬义) (of a person) not easily excited; showing little or no emotion or interest (指人)不易激动的, 不热情的, 冷漠的
He conceals his feelings behind a rather stolid manner. 他装作无动於衷的样子以掩盖自己的感情.
Men, particularly, spend hours of their leisure time installing their own fireplaces, laying out their own gardens; building garages and making furniture.