笨: stupid, foolish, silly, slow-witted, clumsy...
利害: terrible, formidable, serious, devastating, tough, capable, sharp, severe, fierce...
化学: chemistry, chemical...
旱: drought...
冷却: to cool off, cooling...
冒: to emit, to give off, to send out (or up, forth), to brave, to face, reckless, to falsely adopt (sb's identity etc), to feign, (literary) to cover...
几率: probability, odds...
毅然: firmly, resolutely, without hesitation...
迎来: to welcome (a visitor or newcomer), to usher in...
梦见: to dream about (sth or sb), to see in a dream...