(informal)used before a statement or suggestion to point out that it is serious, however facetious or strange it may seem
(非正式)［用于陳述或建議前，表示盡管該陳述或建議可能看似俏皮或奇怪但卻是當(dāng)真的］我不是在開玩笑，但——
I'm not being funny but I haven't got all day.
我不是開玩笑，但我沒有整天的時間。
appreciate the humorous aspect of a situation or experience
看到（某事）幽默的一面
(informal)used ironically to indicate that a speaker does not share another's joke or amusement
(非正式)［反話，用于表示不欣賞聽到的笑話或趣事］喔，真好笑！
‘D'yeh want a celery choc ice?’ ‘Very funny, I don't think.’.
“你要來一個芹菜巧克力冰淇淋嗎？”“太好笑了，我不要?！?。