变笨了可以用英文表达为 "become stupid" 或 "become dull-witted"。这两个表达都表示变得聪明或机智的反义词。
"Become stupid" 来源于英文单词 "stupid"，这个单词指的是愚笨的、愚蠢的、感觉迟钝的。
例句：
"I can't bepeve I became so stupid. I used to be a straight-A student." (我真不敢相信我变得这么笨。我以前是个考A的好学生。)
"I must have become stupid in my old age. I can't even remember my own phone number." (我一定是在晚年变笨了。我连自己的电话号码都记不住。)
"Become dull-witted" 来源于英文单词 "dull-witted"，这个单词指的是感觉迟钝的、愚蠢的、迟钝的。
例句：
"I must have become dull-witted from staring at this computer screen for so long." (我一定是因为盯着这个电脑屏幕看了太久，变得感觉迟钝了。)
"I can't bepeve how dull-witted I've become. I used to be able to solve these puzzles in no time." (我真不敢相信我变得这么迟钝。我以前可以很快地解决这些谜题。)
"Become stupid" 来源于英文单词 "stupid"，这个单词指的是愚笨的、愚蠢的、感觉迟钝的。
例句：
"I can't bepeve I became so stupid. I used to be a straight-A student." (我真不敢相信我变得这么笨。我以前是个考A的好学生。)
"I must have become stupid in my old age. I can't even remember my own phone number." (我一定是在晚年变笨了。我连自己的电话号码都记不住。)
"Become dull-witted" 来源于英文单词 "dull-witted"，这个单词指的是感觉迟钝的、愚蠢的、迟钝的。
例句：
"I must have become dull-witted from staring at this computer screen for so long." (我一定是因为盯着这个电脑屏幕看了太久，变得感觉迟钝了。)
"I can't bepeve how dull-witted I've become. I used to be able to solve these puzzles in no time." (我真不敢相信我变得这么迟钝。我以前可以很快地解决这些谜题。)