painful /ˈpeɪnfəl/ adjective Learner's definition of PAINFUL
[more painful; most painful]
1
: causing pain to your body疼痛的 -
I got a painful sunburn.我晒伤了，感觉疼
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a painful skin condition皮肤疼痛
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His ankle is swollen and painful to the touch. [=his ankle hurts if he touches it]他的脚踝肿起来了，一碰就疼。
2
: causing emotional pain痛苦的；苦恼的；悲痛的 -
We can't ignore our country's painful history of slavery.我们不能漠视我们国家痛苦的奴隶史。
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His questions brought up a lot of painful memories.他的问题引起了很多痛苦的记忆。
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It was painful to watch.看着就感到悲伤。