painful memory 傷心事painful lessons 慘痛的教訓(xùn)painful (adj.) painful adj.痛苦的；疼痛的；費(fèi)力的painftdness 受難性painfree 無痛苦的pained adj. 悲痛的；受痛苦的 v. 使…痛苦（pain的過去式）painbox n.顏料盒pain-suffering n.痛楚pain-relieving 鎮(zhèn)痛pain-reliever 解痛物品pain-relief 鎮(zhèn)痛pain-killer tablet [管理學(xué)]止痛藥片pain-killer n. 止痛藥；鎮(zhèn)痛劑pain-filled 充滿痛苦的pain-easing 鎮(zhèn)痛pain unit pain threshold [生理] 痛閾pain teens pain sensation