" Dull" is similar to " boring" , while " humourless" means that someone has no sense of humour and is too serious.

" dull" 和 " boring" 很像，而 " humourless" 表示某人没有幽默感，太过严肃。

He thought himself so much better than any one else, it was laughable; he had no sense of humour; she hated his supercilious air, his coldness, and his self-control.

他认为自己比任何人都好得多， 这是可笑的；他没有幽默感；她讨厌他的傲慢、冷漠和自制。