Chinese translation of 'sadly'

adv

1. (= unhappily) 难(難)过(過)地 (nánguò de)
2. (= unfortunately) 可惜地 (kěxī de)
3. (= seriously) [mistaken, neglected] 完全地 (wánquán de)
   ⇒ If you think I'm going to leave, you are sadly mistaken. 如果你以为我会离开，你就完全错了。 (Rúguǒ nǐ yǐwéi wǒ huì líkāi, nǐ jiù wánquán cuò le.)
   to be sadly lacking (in sth) 丝(絲)毫没(沒)有(某物) (sīháo méiyǒu (mǒuwù))
   he will be sadly missed 大家会(會)很想他的 (dàjiā huì hěn xiǎng tā de)