painstaking：需专注的，需细心的

pain,疼痛，-s,复数后缀，taking,承担。比喻用法。

• piazza
• pibroch
• pica
• picante
• picaresque
• picaroon
• picayune
• piccaninny
• piccolo
• pick
• pickaxe
• picket
• pickings
• pickle
• pickpocket
• pickup
• picky
• picnic
• pico-
• picto-
• pictogram
• pictorial
• picture
• picturesque
• picturize