Causing physical pain or emotional distress

• Hurting to feel or endure

引起身体疼痛或情感痛苦

• 令人难以感受或忍受

Experiencing pain; sore or tender (of a body part)

感到疼痛；酸痛或敏感（指身体部位）

Requiring great effort; difficult and unpleasant

需要巨大努力；困难且令人不快

Dated: painstaking; careful; diligent

旧义：勤勉用心；细致谨慎

Informal: very bad or embarrassing to witness

口语：非常糟糕或令人尴尬的（令人难以直视）