wǒ / àn / le / yíxià / dàxiě suǒdìng / jiàn / zhōngyú / néng / zhèngcháng / shūrù / xiǎoxiě / zìmǔ / le

我按了一下大写锁定键，终于能正常输入小写字母了。

I pressed the Caps Lock key, and I was finally able to enter lowercase letters normally.