打悶雷

(coll.) to wonder secretly / to make wild conjectures

dozen (loanword)

to beat / to strike / to hit / to break / to type / to mix up / to build / to fight / to fetch / to make / to tie up / to issue / to shoot / to calculate / to play (a game) / since / from

stuffy / shut indoors / to smother / to cover tightly

bored / depressed / melancholy / sealed / airtight / tightly closed

muffled thunder / (fig.) sudden shock / blow

surname Lei

thunder / mine (weapon) / (Internet slang) terrifying / terrific

thunder / (bound form) (military) mine, as in 地雷[di4 lei2] land mine / (coll.) to shock; to stun; to astound / (Tw) (coll.) spoiler / (Tw) (coll.) to reveal plot details to (sb)