Tā xīnlǐ yīzhí zài dígu, bùzhī dào kǎoshì néngbùnéng guò.
She kept feeling anxious, wondering if she could pass the exam.
Tips
usage
嘀咕 has two distinct uses: (1) to mutter/mumble audibly, and (2) to worry or feel uneasy about something (心里嘀咕). Context makes it clear which meaning applies.
