英文：half-joking/half-jokingly (adj./adv.)
說明：副詞 half-jokingly 比形容詞 half-joking 來得常見許多。
例句：
- They seem to be only half-joking when they say he should run for president in 2020. (當他們說他 2020 年應該競選總統時，他們似乎只是半開玩笑的)
- She suggested half-jokingly that we should sell our house and move to the suburbs. (她半開玩笑地建議我們賣掉房子搬到郊區去)
- Half-jokingly, half-seriously, Hill told me that he would divorce his wife at the age of 70. (半開玩笑、半認真地，希爾告訴我他七十歲時要跟他太太離婚)